Advertisements
Advertisements
Question
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
4x2 + 4x + 1
Sum
Advertisements
Solution
We have,
4x2 + 4x + 1
= (2x)2 + 2 × 2x × 1 + 12
= (2x + 1)2
= (2x + 1)(2x + 1)
shaalaa.com
Is there an error in this question or solution?
Chapter 7: Algebraic Expression, Identities and Factorisation - Exercise [Page 234]
APPEARS IN
RELATED QUESTIONS
Simplify (2x +5)2 − (2x − 5)2
Use an expansion formula to find the value.
(97)2
Expand: (10 + y)2
Evaluate the following, using suitable identity
512
If a + b = 10 and ab = 18, find the value of a2 + b2
Factorise the following using suitable identity
a2 + 6ab + 9b2 – c2
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
9x2 + 24x + 16
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
2x3 + 24x2 + 72x
Factorise the following.
y2 + 18x + 65
Factorise the following.
p2 + 14p + 13
