Advertisements
Advertisements
प्रश्न
Expand the following, using suitable identities.
(x2 + y2)(x2 – y2)
बेरीज
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
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 7: Algebraic Expression, Identities and Factorisation - Exercise [पृष्ठ २३२]
APPEARS IN
संबंधित प्रश्न
Show that `(4pq + 3q)^2 - (4pq - 3q)^2 = 48pq^2`
Simplify the following using the formula: (a − b)(a + b) = a2 − b2: 9.8 × 10.2
Find the value of x, if 4x = (52)2 − (48)2.
Expand the following:
(2x + 3y + 4z)2
Evaluate the following by using identities:
983
Simplify:
`(3/4x - 4/3y)^2 + 2xy`
Simplify:
(a – b) (a2 + b2 + ab) – (a + b) (a2 + b2 – ab)
Using suitable identities, evaluate the following.
(103)2
Carry out the following division:
17ab2c3 ÷ (–abc2)
Perform the following division:
(3pqr – 6p2q2r2) ÷ 3pq
