Advertisements
Advertisements
प्रश्न
Simplify (a2 − b2)2
Advertisements
उत्तर
(a2 − b2)2 = (a2)2 − 2(a2) (b2) + (b2)2 [(a − b)2 = a2 − 2ab + b2 ]
= a4 − 2a2b2 + b4
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Simplify (7m − 8n)2 + (7m + 8n)2
Simplify (2.5p − 1.5q)2 − (1.5p − 2.5q)2
Using a2 − b2 = (a + b) (a − b), find 512 − 492
Using (x + a) (x + b) = x2 + (a + b) x + ab, find 9.7 × 9.8
Use the formula to multiply the following.
(a + 6) (a − 6)
Use a formula to multiply of (2a – 13)(2a + 13)
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
x2 + 14x + 49
If a + b = 25 and a2 + b2 = 225, then find ab.
Verify the following:
(5x + 8)2 – 160x = (5x – 8)2
Factorise p4 + q4 + p2q2.
