Question

Identities I to IV
Identity I - (a + b) 2 = a 2 + b 2 + 2ab.
Identity II - (a − b) 2 = a 2 + b 2 − 2ab.
Identity III - a 2 − b 2 = (a − b) (a + b)
Identity IV - (x + a) (x + b) = x 2 + (a + b) x + ab.

Answer 1

Answer:

gg dvrvv hdhgr hdyhrgv d gdgv

Answer 2

Dude we know all this identities

So why you are telling us.