Advertisements
Advertisements
प्रश्न
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
16x4 – 625y4
Advertisements
उत्तर
We have,
16x4 – 625y4 = (4x2)2 – (25y2)2
= (4x2 + 25y2)(4x2 – 25y2)
= (4x2 + 25y2)[(2x)2 – (5y)2]
= (4x2 + 25y2)(2x + 5y)(2x – 5y)
APPEARS IN
संबंधित प्रश्न
(7x + 3)(7x – 4) = 49x2 – 7x – 12
Factorise the following algebraic expression by using the identity a2 – b2 = (a + b)(a – b)
25a2 – 49b2
Factorise the following algebraic expression by using the identity a2 – b2 = (a + b)(a – b)
x4 – y4
Simplify (5x – 3y)2 – (5x + 3y)2
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
4x2 – 49y2
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
`x^2/9 - y^2/25`
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
`x^2/8 - y^2/18`
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
1331x3y – 11y3x
Factorise the expression and divide them as directed:
(3x4 – 1875) ÷ (3x2 – 75)
Find the value of a, if pq2a = (4pq + 3q)2 – (4pq – 3q)2
