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受欢迎的代数 >

((1+x)/4)^2=9

解答

(\frac{1 + x}{4})^{2} = 9

解答

x = 11, x = - 13

求解步骤

(\frac{1 + x}{4})^{2} = 9

对于

(g (x))^{2} = f (a)

解为

g (x) = f (a), - f (a)

解

\frac{1 + x}{4} = 9 : x = 11

解

\frac{1 + x}{4} = - 9 : x = - 13

二次方程组的解是:

x = 11, x = - 13

作图

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