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The point on the curve y=6x-x^2 at which...

The point on the curve `y=6x-x^2` at which the tangent to the curve is inclined at `pi//4` to the line `x+y=0` is
(a)`(-3,\ -27)`
(b) `(3,\ 9)`
(c) `7//2,\ 35//4)`
(d) `(0,\ 0)`

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RD SHARMA ENGLISH-TANGENTS AND NORMALS-All Questions
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