Question

expand (x- 1/2y +1/3z)^2

Answer 1

Solution:-
{(x-1/2y) + (1/3z)}²
(a+b)² = a² + 2ab + b²
(x-1/2y)² +2 (x-1/2y) + (1/3z) + (1/3z)²
(x²-2x+1/4y²) + (x-1/3zy) + (1/9z²)
Answer.

Answer 2

REFER TO THE ATTACHMENT☺☺