1.

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

Answer»

`a in (- INFTY, - 9) CUP (9 , infty)`
`a in [ - 9, 9]`
`a in [ - 9, 9]`
`a in ( - 9, 9)`

ANSWER :A


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