2. (B-2) \( \sqrt{\sqrt[3]{x}}=x^{a} \) bo'lsa, \( a \) ning qiymatini toping. \( \begin{array}{llll}\text { A) } a=\frac{2}{3} & \text { B) } a=\frac{1}{5} & \text { C) } a=\frac{5}{6} & \text { D) } a=\frac{1}{6}\end{array} \)

ExERCICE 3 Inéquation Résoudre dans \( \mathbb{R} \) les inéquations suivantes : \( \begin{array}{lll}\text { 1) } x^{2}+3 x-4 \leqslant 0 & \text { 2) } 7 x-3 \leqslant 2 x^{2} & \text { 3) } \frac{5 x^{2}-3 x}{x^{2}+4 x+3} \geqslant 0\end{array} \)

h) \( \left\{\begin{array}{l}x+y+z=50 \\ 2 x=y+1 \\ 2 x=5 z\end{array}\right. \)

Sbuve that \( (2 \sqrt{2})^{5}=32 \sqrt{2} \)

Part-II: Fill in the blank space by short answer only (1pt each) 5. What is the negation of; Every student in this class likes mathematics. 6. The GCF and LCM of two numbers are 3 and 180 respectively. If one of the numbers is 12, then the second number is.

What does the exponent in an expression indicate?