Advertisements
Advertisements
Question
Factorise: 1 - 25 (a+ b)2
Sum
Advertisements
Solution
1 - 25 (a+ b)2
= (1)2 - [5(a+b)]2
= [1 + 5(a+b)] [1 - 5(a+b)]
= (1 + 5a + 5b) (1 - 5a - 5b)
shaalaa.com
Factorisation by Difference of Two Squares
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Factorise: 4x2 - 81y2
Factorise: a4 - (a2 - 3b2)2
Factorise: 25(2x + y)2 - 16(x - y)2
Factorise: `(6 2/3)^2 - (2 1/3)^2`
Factorise: 75(x + y)2 - 48(x - y)2
Factorise: a2 + 4a + 4 - b2
Factorise: a2 - b2 - 2b - 1
factorise: x2 + 6x + 9 - 4y2
factorise : 16(5x + 4)2 -9(3x - 2)2
Factorise a2b − b3. Using this result, find the value of 1012 × 100 − 1003.
