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The slope of the tangent to the curve x=...

The slope of the tangent to the curve `x=t^(2)+3t-8,y=2t^(2)-2t-5` at the point `(2,-1)` is

A

(22/7)

B

(6/7)

C

(-6/7)

D

(-6)

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The correct Answer is:
B
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