Advertisements
Advertisements
Question
Factorise completely: a4 - b4
Sum
Advertisements
Solution
a4 - b4 = (a2)2 - (b2)2
= (a2 + b2) (a2 - b2)
= (a2 + b2)(a + b)(a - b)
shaalaa.com
Factorising Completely
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Factorise completely: 2 - 8x2
Factorise completely: 8x2y - 18y3
Factorise completely: 25x3 - x
Factorise completely: 625 - x4
Factorise completely: x2 - y2 - 3x - 3y
Factorise completely: 3x2 + 15x - 72
Factorise completely: 5b2 + 45b + 90
Factorise completely: 3x2y + 11xy + 6y
Factorise completely:
5ap2 + 11ap + 2a
Factorise completely: x2 + 6xy + 9y2 + x + 3y
