Question

(root 5 + root 2)^2
find value​

Answer 1

Step-by-step explanation:

${( \sqrt{5} + \sqrt{2}) }^{2} \\ = { \sqrt{5} }^{2} + { \sqrt{2} }^{2} + 2 \times \sqrt{5} \times \sqrt{2} \\ = 5 + 2 + 2 \sqrt{10} \\ = 7 + 2 \sqrt{10}$