Advertisements
Advertisements
Question
Using suitable identities, evaluate the following.
(52)2
Advertisements
Solution
We have,
(52)2 = (50 + 2)2
= (50)2 + (2)2 + 2 × 50 × 2 ...[Using the identity, (a + b)2 = a2 + b2 + 2ab]
= 2500 + 4 + 200
= 2704
APPEARS IN
RELATED QUESTIONS
Simplify the following using the formula: (a − b)(a + b) = a2 − b2: 9.8 × 10.2
Simplify the following using the identities: \[\frac{8 . 63 \times 8 . 63 - 1 . 37 \times 1 . 37}{0 . 726}\]
Using algebraic identity, find the coefficients of x2, x and constant term without actual expansion
(x + 5)(x + 6)(x + 7)
By using identity evaluate the following:
`1 + 1/8 - 27/8`
2p is the factor of 8pq
Simplify:
`(3/4x - 4/3y)^2 + 2xy`
Simplify:
(2.5m + 1.5q)2 + (2.5m – 1.5q)2
Simplify:
(a – b) (a2 + b2 + ab) – (a + b) (a2 + b2 – ab)
Expand the following, using suitable identities.
(a2 + b2)2
Expand the following, using suitable identities.
(7x + 5)2
