Question

the value of (2+3√2)^2 after expanding is
a)11+√6.
b)2(11+6√2
c)2(11+√2)
d)6(2+6√2)​

Answer 1

Step-by-step explanation:

(2+3√2)²

= (4 + 12√2 + 18)________using (a+b)²

= (22 + 12√2)

= 2(11 +6√2)

therefore, option no. (b)