solution of (a+2b)²-(a-2b)²
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HeY USeR HERE IS YOUR ANSWER IN THE PIC GIVEN ABOVE ........
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it is in the form of a^2-b^2
=(a+b)(a-b)
=(a+2b+a-2b)(a+2b-a+2b)
=(2a)(4b)
=8ab.
or
(a+2b)^2=a^2+4b^2+4ab
(a-2b)^2=a^2+5b^2-4ab
(a+b)^2-(a-b)^2=a^2+4b^2+4ab-a^2-4b^2+4ab
=8ab
hope it will help you.
=(a+b)(a-b)
=(a+2b+a-2b)(a+2b-a+2b)
=(2a)(4b)
=8ab.
or
(a+2b)^2=a^2+4b^2+4ab
(a-2b)^2=a^2+5b^2-4ab
(a+b)^2-(a-b)^2=a^2+4b^2+4ab-a^2-4b^2+4ab
=8ab
hope it will help you.
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