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أي الجذور التالية هي جذور متشابهة
72x+42x7\sqrt{2x}+4\sqrt{2x}72x+42x
94x +949\sqrt{4x\ }+9\sqrt{4}94x +94
82x−428\sqrt{2x}-4\sqrt{2}82x−42
77x+72x7\sqrt{7x}+7\sqrt{2x}77x+72x
1681\sqrt{\sqrt[]{16}\sqrt{81}}1681
9
2
6
5
(2y)3−59=5\left(2y\right)^3-59=5(2y)3−59=5 y=?
111
222
333
555
اختار الأجابة الصحيحة
A
D
B
C
f[g(x)] , (f×g)(x)f\left[g\left(x\right)\right]\ \ ,\ \ \left(f\times g\right)\left(x\right)f[g(x)] , (f×g)(x)
هذه العمليتان متشابهتان
صواب
خطأ
f(x)=x3+2 , g(x)=x2+xf\left(x\right)=x^3+2\ \ \ ,\ \ \ g\left(x\right)=x^2+xf(x)=x3+2 , g(x)=x2+x اذا كانت
x3−x2−x+2x^3-x^2-x+2x3−x2−x+2
x2−xx^2-xx2−x
f(x)=2x2−1 , g(x)=x+12 [fog](x)f\left(x\right)=2x^2-1\ \ ,\ g\left(x\right)=\sqrt{x+\frac{1}{2}}\ \ \ \ \left[fog\right]\left(x\right)f(x)=2x2−1 , g(x)=x+21 [fog](x)
2x+122x+\frac{1}{2}2x+21
2x2x2x
2x22x^22x2
256\sqrt[]{\sqrt[]{\sqrt[]{256}}}256
444
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