Advertisements
Advertisements
प्रश्न
Expand the following, using suitable identities.
(x2 + y2)(x2 – y2)
योग
Advertisements
उत्तर
We have,
(x2 + y2)(x2 – y2) = (x2)2 – (y2)2 ...[Using the identity, (a + b)(a – b) = a2 – b2]
= x4 – y4
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 7: Algebraic Expression, Identities and Factorisation - Exercise [पृष्ठ २३२]
APPEARS IN
संबंधित प्रश्न
Find the following product: (3x + 5) (3x + 11)
Evaluate the following: 102 × 106
Evaluate the following: 994 × 1006
Using algebraic identity, find the coefficients of x2, x and constant term without actual expansion
(x + 5)(x + 6)(x + 7)
Evaluate the following by using identities:
10013
Simplify: (2a + 3b + 4c) (4a2 + 9b2 + 16c2 – 6ab – 12bc – 8ca)
2p is the factor of 8pq
On dividing 57p2qr by 114pq, we get ______.
Simplify:
(1.5p + 1.2q)2 – (1.5p – 1.2q)2
Expand the following, using suitable identities.
`(4/5p + 5/3q)^2`
