Question

using the identity a²-b²=(a+b) (a-b) , find the value of (2x+y)²-(2x-y)²​

Answer 1

Step-by-step explanation:

(2x+y)²-(2x-y)²

(2x+y+2x-y)(2x+y-2x+y)

(4x)(2y)

8xy

Answer 2

Answer:

$(2x + y + 2x - y)(2x + y - 2x + y)$

$(4x)(2y)$

hence

$( {2x + y})^{2} - ( {2x - y})^{2} = (4x)(2y)$

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