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
Find the following squares by suing the identities.
`(2/3 m + 3/4 n)^2`
Using identities, evaluate (5.2)2
Using a2 − b2 = (a + b) (a − b), find (1.02)2 − (0.98)2
Of which of the binomials given below is m2n2 + 14mnpq + 49p2q2 the expansion?
Expand: (51)2
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
a2x2 + 2abx + b2
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
4x2 + 12x + 9
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
16x2 + 40x + 25
The cost of a chocolate is Rs (x + y) and Rohit bought (x + y) chocolates. Find the total amount paid by him in terms of x. If x = 10, find the amount paid by him.
Verify the following:
(5x + 8)2 – 160x = (5x – 8)2
