Advertisements
Advertisements
प्रश्न
Factorise: a4 - 625
Advertisements
उत्तर
a4 - 625
= (a2)2 - (25)2
= (a2 + 25) (a2 - 25) ....[a2 - b2 = (a + b)(a - b)]
= (a2 + 25) {(a)2 - (5)2}
= (a2 + 25) (a + 5)(a - 5)
APPEARS IN
संबंधित प्रश्न
Find the common factors of the terms.
6 abc, 24ab2, 12a2b
Factorise the following expression:
7a2 + 14a
Factorise the following expression:
−16z + 20z3
Factorise the following expression:
10a2 − 15b2 + 20c2
Factorize the following:
72x6y7 − 96x7y6
Factorize the following:
2x3y2 − 4x2y3 + 8xy4
Factorize the following:
10m3n2 + 15m4n − 20m2n3
Factorize the following:
2l2mn - 3lm2n + 4lmn2
Factorise:
5a2 - b2 - 4ab + 7a - 7b
Factorise : 12(3x - 2y)2 - 3x + 2y - 1
Factorise : 9x 2 + 3x - 8y - 64y2
Factorise : 15x4y3 - 20x3y
Factorise : (a+ 2b) (3a + b) - (a+ b) (a+ 2b) +(a+ 2b)2
factorise : x2y - xy2 + 5x - 5y
Factorise the following by taking out the common factors:
5a(x2 - y2) + 35b(x2 - y2)
Factorise the following by taking out the common factors:
12a3 + 15a2b - 21ab2
Factorise the following by taking out the common factors:
81(p + q)2 -9p - 9q
Factorise:
5x2 - y2 - 4xy + 3x - 3y
