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
(x + 4) and (x – 5) are the factors of ___________
Evaluate the following, using suitable identity
297 × 303
Factorise the following algebraic expression by using the identity a2 – b2 = (a + b)(a – b)
z2 – 16
Factorise: 4x2 – 9y2
Simplify (5x – 3y)2 – (5x + 3y)2
Using suitable identities, evaluate the following.
(35.4)2 – (14.6)2
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
9x2 – 1
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).
16x4 – 81
The base of a parallelogram is (2x + 3 units) and the corresponding height is (2x – 3 units). Find the area of the parallelogram in terms of x. What will be the area of parallelogram of x = 30 units?
