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The equation x^3-3/(4)x=-(sqrt3)/8 is sa...

The equation `x^3-3/(4)x=-(sqrt3)/8` is satisfied by

A

`x = cos((5pi)/18)`

B

`x = cos((7pi)/18)`

C

`x = cos((23pi)/18)`

D

`x = -sin((7pi)/9)`

Text Solution

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The correct Answer is:
A, B, C, D
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