Advertisements
Advertisements
प्रश्न
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
y4 – 625
Advertisements
उत्तर
We have,
y4 – 625 = (y2)2 – (25)2
= (y2 + 25)(y2 – 25)
= (y2 + 25)(y2 – 52)
= (y2 + 25)(y + 5)(y – 5)
APPEARS IN
संबंधित प्रश्न
Using the identity (a + b)(a – b) = a2 – b2, find the following product
(1 + 3b)(3b – 1)
Using the identity (a + b)(a – b) = a2 – b2, find the following product
(4 – mn)(mn + 4)
If X = a2 – 1 and Y = 1 – b2, then find X + Y and factorize the same
Using suitable identities, evaluate the following.
(35.4)2 – (14.6)2
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
4x2 – 25y2
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
`(x^3y)/9 - (xy^3)/16`
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
p5 – 16p
Factorise the expression and divide them as directed:
(3x2 – 48) ÷ (x – 4)
Find the value of a, if 9a = 762 – 672
Find the value of `(6.25 xx 6.25 - 1.75 xx 1.75)/(4.5)`
