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Find the slope of the tangent to the curve `x=t^2+3t-8` , `y=2t^2-2t-5` at `t=2` .

A

`tan ^(-1) ((7)/(6))`

B

`tan ^(-1)((5)/(6))`

C

`tan ^(-1)((6)/(7))`

D

`(pi)/(4)`

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