Question

WRITE ALL THE FOUR IDENTITIES

Answer 1

Step-by-step explanation:

IDENTITIES OF MATHS

• (a+b) (a+b) = (a^2 + b^2)
• (a+b) (a-b) =( a^2 - b^ 2)
• (a-b) ^2 = a^2 + b^2 - 2ab
• (a+b)^2 = a^2 + b^2 + 2ab

HOPE IT HELPS YOU

Answer 2

Step-by-step explanation:

(a+b)²= a²+2ab+b²

(a-b)²= a²-2ab+b

a²-b²= a+b × a-b

(x+a) (x+b) = x²+(a+b)x + ab