Advertisements
Advertisements
Question
Find the following squares by suing the identities.
(6x2 − 5y)2
Advertisements
Solution
(6x2 − 5y)2 = (6x2)2 − 2(6x2) (5y) + (5y)2 [(a − b)2 = a2 − 2ab + b2]
= 36x4 − 60x2y + 25y2
shaalaa.com
Is there an error in this question or solution?
RELATED QUESTIONS
Find the following squares by suing the identities.
`(2/3 m + 3/4 n)^2`
Simplify (4m + 5n)2 + (5m + 4n)2
Using (x + a) (x + b) = x2 + (a + b) x + ab, find 5.1 × 5.2
Which of the options given below is the square of the binomial `(8-1/"x")`?
Expand:
(10 + y)2
Expand the following square, using suitable identities
(2x + 5)2
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
x2 + 14x + 49
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
4x2 + 4x + 1
If a2 + b2 = 74 and ab = 35, then find a + b.
Verify the following:
(7p – 13q)2 + 364pq = (7p + 13q)2
