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Popular Geometry Problems
foci x^2+4y^2=36
foci\:x^{2}+4y^{2}=36
foci 81x^2+9y^2=9
foci\:81x^{2}+9y^{2}=9
foci (x^2}{16}+\frac{(y-4)^2)/1 =1
foci\:\frac{x^{2}}{16}+\frac{(y-4)^{2}}{1}=1
foci ((x-4)^2)/9+((y+6)^2)/(121)=1
foci\:\frac{(x-4)^{2}}{9}+\frac{(y+6)^{2}}{121}=1
foci ((x+7)^2)/8+((y-10)^2)/(13)=1
foci\:\frac{(x+7)^{2}}{8}+\frac{(y-10)^{2}}{13}=1
foci ((x-1)^2)/(49)+((y-3)^2)/(36)=1
foci\:\frac{(x-1)^{2}}{49}+\frac{(y-3)^{2}}{36}=1
foci 4x^2+y^2-32x+16y+124=0
foci\:4x^{2}+y^{2}-32x+16y+124=0
foci 1x^2+3y^2+10x+8y-10=0
foci\:1x^{2}+3y^{2}+10x+8y-10=0
foci 4x^2+y^2-8x+4y+4=0
foci\:4x^{2}+y^{2}-8x+4y+4=0
foci (x^2)/(16)+(y^2)/(64)=1
foci\:\frac{x^{2}}{16}+\frac{y^{2}}{64}=1
foci 81x^2+4y^2=324
foci\:81x^{2}+4y^{2}=324
foci ((x+1)^2}{64}+\frac{(y-5)^2)/9 =1
foci\:\frac{(x+1)^{2}}{64}+\frac{(y-5)^{2}}{9}=1
foci ((x+2)^2)/(16)+(y^2)/(49)=1
foci\:\frac{(x+2)^{2}}{16}+\frac{y^{2}}{49}=1
foci 16x^2+192x+576+25y^2=1600
foci\:16x^{2}+192x+576+25y^{2}=1600
foci ((x-2)^2}{25}+\frac{(y+1)^2)/9 =1
foci\:\frac{(x-2)^{2}}{25}+\frac{(y+1)^{2}}{9}=1
foci ((x+2)^2)/9+((y-2)^2)/4 =1
foci\:\frac{(x+2)^{2}}{9}+\frac{(y-2)^{2}}{4}=1
foci 5x^2+9y^2+30x=0
foci\:5x^{2}+9y^{2}+30x=0
foci (x^2}{64}+\frac{y^2)/9 =1
foci\:\frac{x^{2}}{64}+\frac{y^{2}}{9}=1
foci (x^2)/(20)+(y^2)/(36)=1
foci\:\frac{x^{2}}{20}+\frac{y^{2}}{36}=1
foci (x^2}{12}+\frac{y^2)/6 =1
foci\:\frac{x^{2}}{12}+\frac{y^{2}}{6}=1
foci ((x+4)^2)/(25)+((y-1)^2)/(16)=1
foci\:\frac{(x+4)^{2}}{25}+\frac{(y-1)^{2}}{16}=1
foci ((x-4)^2)/9+((y-1)^2)/(25)=1
foci\:\frac{(x-4)^{2}}{9}+\frac{(y-1)^{2}}{25}=1
foci (x^2)/(81)+(y^2)/(100)=1
foci\:\frac{x^{2}}{81}+\frac{y^{2}}{100}=1
foci x^2+4y^2-6x+16y+21=0
foci\:x^{2}+4y^{2}-6x+16y+21=0
foci (x^2)/(64)+(y^2)/(15)=1
foci\:\frac{x^{2}}{64}+\frac{y^{2}}{15}=1
foci 4x^2+24x+25y^2+200y+336=0
foci\:4x^{2}+24x+25y^{2}+200y+336=0
foci ((x+1)^2}{10}+\frac{(y-3)^2)/9 =1
foci\:\frac{(x+1)^{2}}{10}+\frac{(y-3)^{2}}{9}=1
foci ((x)^2)/(44)+(y^2)/(125)=1
foci\:\frac{(x)^{2}}{44}+\frac{y^{2}}{125}=1
foci 2x^2+8y^2=16
foci\:2x^{2}+8y^{2}=16
foci 64x^2+y^2=64
foci\:64x^{2}+y^{2}=64
foci 25x^2+9y^2-100x-54y-44=0
foci\:25x^{2}+9y^{2}-100x-54y-44=0
foci 25x^2+16y^2+100x-300=0
foci\:25x^{2}+16y^{2}+100x-300=0
foci (x^2)/(121)+((y+4)^2)/(23)=1
foci\:\frac{x^{2}}{121}+\frac{(y+4)^{2}}{23}=1
foci (x^2+y^2)/5 =1
foci\:\frac{x^{2}+y^{2}}{5}=1
foci ((x-2)^2}{16}+\frac{y^2)/9 =1
foci\:\frac{(x-2)^{2}}{16}+\frac{y^{2}}{9}=1
foci (x^2)/8+(y^2)/5 =1
foci\:\frac{x^{2}}{8}+\frac{y^{2}}{5}=1
foci 16x^2+25y^2-96x+100y-156=0
foci\:16x^{2}+25y^{2}-96x+100y-156=0
foci+(x^2}{16}+\frac{y^2)/4 =1
foci\:+\frac{x^{2}}{16}+\frac{y^{2}}{4}=1
foci (x^2)/(81)+(y^2)/(25)=1
foci\:\frac{x^{2}}{81}+\frac{y^{2}}{25}=1
foci 81x^2+64y^2=5184
foci\:81x^{2}+64y^{2}=5184
foci x^2+2y^2-8y+4=0
foci\:x^{2}+2y^{2}-8y+4=0
foci (x^2)/(36)+(y^2)/(64)=1
foci\:\frac{x^{2}}{36}+\frac{y^{2}}{64}=1
foci (x^2)/(16)+y^2=1
foci\:\frac{x^{2}}{16}+y^{2}=1
foci 18x^2+4y^2-72x+4y+37=0
foci\:18x^{2}+4y^{2}-72x+4y+37=0
foci 16x^2+25y^2+64x-200y+64=0
foci\:16x^{2}+25y^{2}+64x-200y+64=0
foci (x^2)/(49)+(y^2)/(169)=1
foci\:\frac{x^{2}}{49}+\frac{y^{2}}{169}=1
foci ((y+3)^2)/(144)+((x+2)^2)/(25)=1
foci\:\frac{(y+3)^{2}}{144}+\frac{(x+2)^{2}}{25}=1
foci 5x^2+9y^2-20x+54y+56=0
foci\:5x^{2}+9y^{2}-20x+54y+56=0
foci 25x^2+4y^2-250x-16y+541=0
foci\:25x^{2}+4y^{2}-250x-16y+541=0
foci (x^2)/(25)+(y^2)/(21)=1
foci\:\frac{x^{2}}{25}+\frac{y^{2}}{21}=1
foci ((x+2)^2)/(2^2)+((y-3)^2)/(3^2)=1
foci\:\frac{(x+2)^{2}}{2^{2}}+\frac{(y-3)^{2}}{3^{2}}=1
foci 81x^2+49y^2=3969
foci\:81x^{2}+49y^{2}=3969
foci 25x^2+4y^2+100x=0
foci\:25x^{2}+4y^{2}+100x=0
foci (x^2)/(9^2)+(y^2)/(6^2)=1
foci\:\frac{x^{2}}{9^{2}}+\frac{y^{2}}{6^{2}}=1
foci (x^2)/(5^2)+(y^2)/(13^2)=1
foci\:\frac{x^{2}}{5^{2}}+\frac{y^{2}}{13^{2}}=1
foci (x^2)/1+(y^2)/5 =1
foci\:\frac{x^{2}}{1}+\frac{y^{2}}{5}=1
foci ((y+3)^2)/(169)+((x+2)^2)/(25)=1
foci\:\frac{(y+3)^{2}}{169}+\frac{(x+2)^{2}}{25}=1
foci (x^2)/(15)+(y^2)/(45)=1
foci\:\frac{x^{2}}{15}+\frac{y^{2}}{45}=1
foci 9x^2+16y^2+96y=0
foci\:9x^{2}+16y^{2}+96y=0
foci 9x^2+4y^2-18x+16y-11=0
foci\:9x^{2}+4y^{2}-18x+16y-11=0
foci (x^2)/(99)+(y^2)/(225)=1
foci\:\frac{x^{2}}{99}+\frac{y^{2}}{225}=1
foci 4x^2+9y^2=1
foci\:4x^{2}+9y^{2}=1
foci 25x^2+16y^2-100x-300=0
foci\:25x^{2}+16y^{2}-100x-300=0
foci ((x-2)^2)/2+((y-1)^2)/8 =1
foci\:\frac{(x-2)^{2}}{2}+\frac{(y-1)^{2}}{8}=1
foci 9x^2+4y^2=25
foci\:9x^{2}+4y^{2}=25
foci 4x^2+9y^2+24x-36y+36=0
foci\:4x^{2}+9y^{2}+24x-36y+36=0
foci 4x^2+16y^2-16x-48=0
foci\:4x^{2}+16y^{2}-16x-48=0
foci ((x+3)^2)/9+((y-1)^2)/(25)=1
foci\:\frac{(x+3)^{2}}{9}+\frac{(y-1)^{2}}{25}=1
foci 4x^2+9y^2-48x+72y=-144
foci\:4x^{2}+9y^{2}-48x+72y=-144
foci 36x^2+16y^2-180x+96y-207=0
foci\:36x^{2}+16y^{2}-180x+96y-207=0
foci x^2+2y^2+2x-4y-1=0
foci\:x^{2}+2y^{2}+2x-4y-1=0
foci 2x^2+3y^2=6
foci\:2x^{2}+3y^{2}=6
foci (x^2}{64}+\frac{y^2)/1 =1
foci\:\frac{x^{2}}{64}+\frac{y^{2}}{1}=1
foci (x^2)/(16)+((y-1)^2)/(36)=1
foci\:\frac{x^{2}}{16}+\frac{(y-1)^{2}}{36}=1
foci ((x+2)^2}{10}+\frac{(y-5)^2)/2 =1
foci\:\frac{(x+2)^{2}}{10}+\frac{(y-5)^{2}}{2}=1
foci ((x+2)^2)/(64)+((y-1)^2)/(81)=1
foci\:\frac{(x+2)^{2}}{64}+\frac{(y-1)^{2}}{81}=1
foci 4x^2+25y^2-100=0
foci\:4x^{2}+25y^{2}-100=0
foci 25x^2+9y^2-225=0
foci\:25x^{2}+9y^{2}-225=0
foci ((x-1)^2)/(36)+((y-1)^2)/(25)=1
foci\:\frac{(x-1)^{2}}{36}+\frac{(y-1)^{2}}{25}=1
foci 9x^2+16y^2+72x+128y+256=0
foci\:9x^{2}+16y^{2}+72x+128y+256=0
foci ((x-3)^2)/4+((y+1)^2)/9 =1
foci\:\frac{(x-3)^{2}}{4}+\frac{(y+1)^{2}}{9}=1
foci (x^2)/(15)+(y^2)/(64)=1
foci\:\frac{x^{2}}{15}+\frac{y^{2}}{64}=1
foci 25x^2+9y^2-150x-18y+9=0
foci\:25x^{2}+9y^{2}-150x-18y+9=0
foci (x^2}{64}+\frac{y^2)/4 =1
foci\:\frac{x^{2}}{64}+\frac{y^{2}}{4}=1
foci ((x-1)^2)/9+((y-5)^2)/(25)=1
foci\:\frac{(x-1)^{2}}{9}+\frac{(y-5)^{2}}{25}=1
foci 16x^2+64x+4y^2-8y+4=0
foci\:16x^{2}+64x+4y^{2}-8y+4=0
foci (x^2)/(17)+(y^2)/(35)=1
foci\:\frac{x^{2}}{17}+\frac{y^{2}}{35}=1
foci 64x^2+81y^2=5184
foci\:64x^{2}+81y^{2}=5184
foci ((x)^2)/9+(y^2)/4 =1
foci\:\frac{(x)^{2}}{9}+\frac{y^{2}}{4}=1
foci 4x^2+y^2+40x+6y+95=0
foci\:4x^{2}+y^{2}+40x+6y+95=0
foci (x^2)/1+(y^2)/4 =1
foci\:\frac{x^{2}}{1}+\frac{y^{2}}{4}=1
foci ((y+4)^2)/(24)+((x-3)^2)/(12)=1
foci\:\frac{(y+4)^{2}}{24}+\frac{(x-3)^{2}}{12}=1
foci 4x^2+16y^2-64=0
foci\:4x^{2}+16y^{2}-64=0
foci (x^2)/(20)+(y^2)/(16)=1
foci\:\frac{x^{2}}{20}+\frac{y^{2}}{16}=1
foci (y^2)/(16)+(x^2)/(25)=1
foci\:\frac{y^{2}}{16}+\frac{x^{2}}{25}=1
foci 1/4 (x-5)^2+1/9 (y+5)^2=1
foci\:\frac{1}{4}(x-5)^{2}+\frac{1}{9}(y+5)^{2}=1
foci ((x+1)^2)/(25)+((y+1)^2)/(49)=1
foci\:\frac{(x+1)^{2}}{25}+\frac{(y+1)^{2}}{49}=1
foci 4x^2+36y^2=144
foci\:4x^{2}+36y^{2}=144
foci ((x)^2}{25}+\frac{(y)^2)/9 =1
foci\:\frac{(x)^{2}}{25}+\frac{(y)^{2}}{9}=1
foci 1x^2+4y^2+10x+9y-10=0
foci\:1x^{2}+4y^{2}+10x+9y-10=0
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