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If the slope of the tangent to the curve...

If the slope of the tangent to the curve `xy+ax=by` at (1,1) is 2, then (a,b)=

A

`(0,1)`

B

`(1,2)`

C

`(-1,2)`

D

`(1,-2)`

Text Solution

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The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-APPLICATIONS OF DIFFERENTIATION-EXERCISE 1B (TANGENT AND NORMAL)
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