Advertisements
Advertisements
प्रश्न
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
28ay2 – 175ax2
Advertisements
उत्तर
We have,
28ay2 – 175ax2 = 7a(4y2 – 25x2)
= 7a[(2y)2 – (5x)2]
= 7a(2y – 5x)(2y + 5x)
APPEARS IN
संबंधित प्रश्न
(x + 4) and (x – 5) are the factors of ___________
Factorise : 16p4 – 1
a2 – b2 = (a + b) ______.
Using suitable identities, evaluate the following.
9.8 × 10.2
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
x2 – 9
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
`1/36a^2b^2 - 16/49b^2c^2`
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
y4 – 625
Factorise the expression and divide them as directed:
(3x4 – 1875) ÷ (3x2 – 75)
Find the value of a, if 8a = 352 – 272
The product of two expressions is x5 + x3 + x. If one of them is x2 + x + 1, find the other.
