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If `omega` be an imaginary cube root of 1 then the value of `|[1,omega^2,omega],[omega,1,omega^2],[omega^2,omega,1]|` is

A

`-1`

B

`omega^3`

C

0

D

`-omega^2`

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UNITED BOOK HOUSE-HIGHER SECONDARY EXAMINATION 2020.-EXERCISE
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  14. If f(x) = -f(-x) then show that overset(a)underset(-a)int f(x)dx =0.

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