Advertisements
Advertisements
Question
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
x2 + 2x + 1
Sum
Advertisements
Solution
We have,
x2 + 2x + 1
= x2 + 2 × 1 × x + 12
= (x + 1)2
= (x + 1)(x + 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
Use a suitable identity to get the following products.
(2y + 5) (2y + 5)
Find the following squares by suing the identities
(xy + 3z)2
Simplify (a2 − b2)2
Use the formula to find the value.
97 × 103
Expand:
`("p"/3 + "q"/4)^2`
(x2 + y2)(y2 + x2) = (x2 + y2)2
Simplify: (a + b)2 – 4ab
Simplify: (a + b)2 + (a – b)2
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
9x2 + 30x + 25
Factorise the following.
p2 + 14p + 13
