Question

Q16. What is the mean
proportion of given
(x + y)² and(x - y)²​

Answer 1

Answer:

1. (x+y)²=x²+2xy+y²
2. (x-y)²=x²-2xy+y²

Answer 2

Answer:

$x {}^{2} + 2xy + y {}^{2} and \\ x {}^{2} - 2xy + y {}^{2}$