Question

Find the product using suitable identity :
( x + 3√3 ) ( x – 3√3 ) ​

Answer 1

Solutio

To find the product of (x+3)(x+3)

Now using (a+b)(a+b)=a

2

+b

2

+2ab

we have , let 4a=x and let b=3

Thus, (x+3)(x+3)=x

2

+9+