If (1+x-2x^2)^6=1+a1x+a2x^(12)+.......+a...

If `(1+x-2x^2)^6=1+a_1x+a_2x^(12)+.......+a_(12)x^(12),` then find the value of `a_2+a_4+a_6+.....+a_(12)dot`

A

31

B

32

C

64

D

1024

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The correct Answer is:

A

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