Question

Simplify the following : (√5+√2)^2

Answer 1

Answer: 7+2√10

Step-by-step explanation:

(√5+√2)²  = (√5)²+2×√5×√2+(√2)²

                  = (√5×√5) +2√10+(√2×√2)

                  =5+2√10+2

                  =7+2√10

Answer 2

Answer:

$7 + 2 \sqrt{10}$

Step-by-step explanation:

Using $\sf{(a+b)^2=a^2+b^2+2ab}$

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

Hope it helps u

Have a great day ahead

Annyeong