The value of $\frac{0.796\times 0.796 - 0.204\times 0.204}{0.796- 0.204}$ is
1). 0.408
2). 0.59
3). 0.592
4). 1
1. If a= $\frac{\sqrt{3}}{2}$ , then the value of $\sqrt{1+a}+\sqrt{1-a}$
2. $\frac{3\sqrt{2}+2\sqrt{3}}{3\sqrt{2}-2\sqrt{3}}$ is equal to
3. The value of $\sqrt{11+2\sqrt{30}}-\frac{1}{\sqrt{11+2\sqrt{30}}}$ is :
5. $(0.01024)^{\frac{1}{5}}$ is equal to :
6. The value of $\sqrt[3]{1372}\times \sqrt[3]{1458}\times \sqrt[3]{343}$ is
8. The value of : $\sqrt{-\sqrt{3}+\sqrt{3+8\sqrt{7+4\sqrt{3}}}}$
9. The greatest among the numbers $\sqrt{2}$ ,$\sqrt[3]{3}$ , $\sqrt[4]{5}$ , $\sqrt[6]{6}$ is :
10. Evaluate $\sqrt{20}+\sqrt{12}+\sqrt[3]{729}-\frac{4}{\sqrt{5}-\sqrt{3}}-\sqrt{81}$