Question

1. संपोषित विकास से आप क्या समझते हैं ?
,
$(x + y)2$
​

Answer 1

Answer:

a^2+2×a×b+b^2 (^ means to the whole )

This method will going to be use in further cases.

Answer 2

Answer:

$x {}^{2} + y {}^{2} + 2xy$