Advertisements
Advertisements
प्रश्न
Expand the following, using suitable identities.
(x2y – xy2)2
बेरीज
Advertisements
उत्तर
We have,
(x2y – xy2)2 = (x2y)2 + (xy2)2 – 2x2y × xy2 ...[Using the identity, (a – b)2 = a2 + b2 – 2ab]
= x4y2 + x2y4 – 2x3y3
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 7: Algebraic Expression, Identities and Factorisation - Exercise [पृष्ठ २३२]
APPEARS IN
संबंधित प्रश्न
Show that (3x + 7)2 − 84x = (3x − 7)2
Simplify the following using the formula: (a − b)(a + b) = a2 − b2: 197 × 203
Find the following product: (2x2 − 3) (2x2 + 5)
Find the following product: (3x − 4y) (2x − 4y)
Evaluate the following: 53 × 55
Evaluate the following: 103 × 96
Expand the following:
(−p + 2q + 3r)2
Multiply the following:
(3x2 + 4x – 8), (2x2 – 4x + 3)
Expand the following, using suitable identities.
(a2 + b2)2
Using suitable identities, evaluate the following.
(103)2
