Question

Find the square root of 11+2
$\sqrt{30}$
​

Answer 1

Step-by-step explanation:

we can write 11+2√30 as follows

(√5)^2+2(√5)(√6)+(√6)^2

w. k. t.,,

(a+b) ^2=a^2+2ab+b^2

hence

(√5)^2+2(√5)(√6)+(√6)^2 can be written as (√5+√6)^2

√(√5+√6)^2=√5+√6