5. Factorize (2x-y)-(2x+y)6
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VANSH12005:
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(2x-y) 6-(2x+y) 6
=[(2x-y) 3)2
=[(2x-y) 3+[2x+y] 3][(2x-y) 3
(2x+y) 3[a+b) =a2-b2)
=(8x3-y3-12x2y+6xy2+8x3+y3+
12x2y+6xy2)(8x3-y3-12x2y+
6xy2-8x3-y3-12x2y-6xy2)
=(16x3+12xy2)(-2y3-24x2y)
=-8xy(4x2+3y2)(y2+12x2)
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