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If no solution of 3siny+12sinx^(3)=a lie...

If no solution of `3siny+12sinx^(3)=a` lies on the line `y=3x`, then

A

`a in (-oo, -9)uu(9,oo)`

B

`a in [-9,9]`

C

`a in {-9,9}`

D

`ain {-9,9)`

Text Solution

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The correct Answer is:
A
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