What is expand-1+(pi(x^2+1))/4 ?

The solution to expand-1+(pi(x^2+1))/4 is -1+(pix^2)/4+pi/4

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expand-1+(pi(x^2+1))/4

expand

- 1 + \frac{π ( x ^{2} + 1 )}{4}

- 1 + \frac{π x ^{2}}{4} + \frac{π}{4}

Solution steps

- 1 + \frac{π ( x ^{2} + 1 )}{4}

Expand

π (x^{2} + 1) : π x^{2} + π

= - 1 + \frac{π x ^{2} + π}{4}

Apply the fraction rule:

\frac{a \pm b}{c} = \frac{a}{c} \pm \frac{b}{c}

\frac{π x ^{2} + π}{4} = \frac{π x ^{2}}{4} + \frac{π}{4}

= - 1 + \frac{π x ^{2}}{4} + \frac{π}{4}

\frac{( x + 1 ) ( x - 2 )}{( x + 2 )}

4 (\frac{3}{2} + 3 x)

m (2 x^{2} (4 t^{2} - x))

(3 - 2 x)^{3} d x

2 \cdot (\frac{x}{3} - \frac{1}{4})

What is expand-1+(pi(x^2+1))/4 ?
The solution to expand-1+(pi(x^2+1))/4 is -1+(pix^2)/4+pi/4