Question

the value of (_/5 +_/2)²​

Answer 1

Answer:

hey mate

(a+b)²=a²+b²+2ab

a=√5. ; b=√2

(√5)²+(√2)²+2×√5×√2

5+2+2√10

7+2√10..

hope it will help you dear....✌️

Answer 2

Step-by-step explanation:

(root 5 + root 2)whole square

=(root 5)whole square + (root 2) whole square +2* root5 *root2

= 5 + 2 + 2*(root 10)

= 7+ 2*(root 10)

$(a + b) ^{2} \\ {a}^{2} + {b}^{2} \: + 2ab$