simplify-(x/y+y/x) ^3+(x/y-y/x)^3
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Answer:
2x2+xy+ 2xy+y ... follow
Step-by-step explanation:
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Simplify.
(v) (x + y) (2x + y) + (x + 2y)(x - y)
Here, there are 2 expressions
1st expression = (x+y)(2x + y)
2nd expression = (x + 2y)(x - y)
Solving First expression
(x+y)(2x + y)
= x(2x + y) + y (2x + y)
= (xx2x) + (x x y) + (y x 2x) + (yxy)
= 2x2 + xy+2yx +ỷ
= 2x2+xy+ 2xy+y
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