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(x+y)^(n) + (x-y)^(n) is equal to...

`(x+y)^(n) + (x-y)^(n)` is equal to

A

`2[.^(n)C_(1)x^(n)y^(0)+.^(n)C_(3)x^(n-2)y^(2)+"….."]`

B

`2[.^(n)C_(0)x^(n)y^(0)+.^(n)C_(2)x^(n-2)y^(2)+"….."]`

C

`2[.^(n)C_(1)x^(n-1)y^(1)+.^(n)C_(3)x^(n-3)y^(3)+"….."]`

D

`3[.^(n)C_(0)x^(n)y^(0)+.^(n)C_(2)x^(n-2)y^(2)+"……"]`

Text Solution

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The correct Answer is:
A
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