Question

(2x-1/3x)^2 using identity ​

Answer 1

This will be solved by using Identity 2.

(2x-1/3x)^2

= (2x)^2-2*2x*-1/3x+(-1/3x)^2

=4x^2+4/3x^2+(-1/9)x^2  (Ans)