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
Show that (9p - 5q)2 + 180pq = (9p + 5q)2
Simplify the following using the identities: \[\frac{8 . 63 \times 8 . 63 - 1 . 37 \times 1 . 37}{0 . 726}\]
Find the following product: (z2 + 2) (z2 − 3)
Find the following product: (3x2 − 4xy) (3x2 − 3xy)
Expand the following:
(2x + 3y + 4z)2
Using algebraic identity, find the coefficients of x2, x and constant term without actual expansion
(2x + 3)(2x – 5)(2x – 6)
Simplify:
(x2 – 4) + (x2 + 4) + 16
Simplify:
(ab – c)2 + 2abc
Expand the following, using suitable identities.
(a2 + b2)2
Using suitable identities, evaluate the following.
(52)2
