ICSE Class 9 Maths Factorisation Using Square Identities

Q.

If a + b = 13 and a2 + b2 = 5. Find ab.



Q.

If a = 2x and b = 3, then (a − b) 2 =?



Q.

Simplify: (x2 − y2)2 + 2 (x2 − y2)(x2 + y2) + (x2 + y2)2



Understand the Algebraic identities for quadratic Polynomials. Apply the identities in factorization of the expressions.