Advertisements
Advertisements
प्रश्न
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
x4 – y4
Advertisements
उत्तर
We have,
x4 – y4 = (x2)2 – (y2)2
= (x2 + y2)(x2 – y2)
= (x2 + y2)(x + y)(x – y)
APPEARS IN
संबंधित प्रश्न
(7x + 3)(7x – 4) = 49x2 – 7x – 12
Using the identity (a + b)(a – b) = a2 – b2, find the following product
(p + 2)(p – 2)
Using the identity (a + b)(a – b) = a2 – b2, find the following product
(1 + 3b)(3b – 1)
Multiply the following:
(a2 – b2), (a2 + b2)
Using suitable identities, evaluate the following.
9.8 × 10.2
Using suitable identities, evaluate the following.
(729)2 – (271)2
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
`(2p^2)/25 - 32q^2`
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
1331x3y – 11y3x
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
a4 – (a – b)4
The sum of (x + 5) observations is x4 – 625. Find the mean of the observations.
