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Using Identity find (i) (4p-3q)^2 (ii...

Using Identity find
(i) `(4p-3q)^2`
(ii) `(49)^2`

A

(i)`19p^2+9q^2-24pq`
(ii)`2481`

B

(i)`16p^2+9q^2-24pq`
(ii)`2401`

C

(i)`6p^2+8q^2-24pq`
(ii)`2501`

D

(i)`10p^2+9q^8-24pq`
(ii)`2401`

Text Solution

Verified by Experts

The correct Answer is:
B
1) `(4p-3q)^2`
=`16p^2+9q^2-24pq` 2)`(49)^2`
`(50-1)^2`
`50^2+1-100`
`2500-100+1`
`2401`.
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