Question

the value of is(√5+√2)²is​

Answer 1

Answer:

${( \sqrt{5} + \sqrt{2} )}^{2} \\ \\ = ( \sqrt{5} ) ^{2} - 2 \times \sqrt{5} \times \sqrt{2} + ( { \sqrt{2}) }^{2} \\ \\ = 5 - 2 \sqrt{10} + 2 \\ \\ = 7 - 2 \sqrt{10} \\ \\ formula \: used \\ \\ (a + b) ^{2} = a ^{2} + 2ab + b ^{2}$

hope it helps uH ✌

Answer 2

Answer:

7+2√10

Step-by-step explanation:

(√5+√2)²

by using (a+b)²

a²+2ab+b²

(√5)²+2√5×√2+(√2)²

then, root and square will get cancelled

∴5+2√5×√2+2

∴5+2√10+2

∴the answer will be 7+2√10