Advertisements
Advertisements
Question
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
`x^2/4 + 2x + 4`
Advertisements
Solution
We have,
`x^2/4 + 2x + 4`
= `(x/2)^2 + 2 xx x/2 xx 2 + 2^2`
= `(x/2 + 2)^2`
= `(x/2 + 2)(x/2 + 2)`
APPEARS IN
RELATED QUESTIONS
Find the following squares by suing the identities
(0.4p − 0.5q)2
Using (x + a) (x + b) = x2 + (a + b) x + ab, find 103 × 98
Use a formula to multiply of (2a – 13)(2a + 13)
Simplify: (a + b)2 – 4ab
Factorise the following using suitable identity
36m2 + 60m + 25
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
4x2 + 4x + 1
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
16x2 + 40x + 25
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
9x2 + 24x + 16
Factorise p4 + q4 + p2q2.
Find the length of the side of the given square if area of the square is 625 square units and then find the value of x.
