Math, asked by akrocks, 1 year ago

Show that:(4pq+3q)²-(4pq-3q)²=48pq


raoatchut191: a little mistake in question

Answers

Answered by raoatchut191
22
we know that 
( a+b)^{2} -(a-b)^{2} =4ab
so  (4pq+3q)^{2} -(4pq-3q)=4(4pq)(3q
=48p q^{2}
                                                  hope i helped you
Answered by jobanputraronil
10
(4pq+3q)²=16(pq)^2+24pq^2+9q^2(4pq-3q)²=16(pq)^2-24pq^2+9q^2therefor (4pq+3q)²-(4pq-3q)²=48pq^2
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