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Point (s) at which the tangent to the cu...

Point (s) at which the tangent to the curve `y=x^(3)-3x^(2)-8x+7` has inclination `45^(@)` is (are)

A

`((5)/(3 ),(4)/(3))`

B

`(-(4)/(3),(5)/(3))`

C

`(-1,11),(3,-17)`

D

`(1,-11), (-3,17)`

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The correct Answer is:
C
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MARVEL PUBLICATION-APLICATIONS OF DERIVATIVES-MULTIPLE CHOICE QUESTIONS (TEST YOUR GRASP - II : CHAPTER 12)
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  14. If y=(log x) - (2)/(x), x=(1)/(2), deltax =10 ^(-8), then delta y ~~…

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  15. If 1^(@) =0.0174^(c), then tan (45^(@) 50')~~…

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  16. If diameter of a sphere is 2 cm with error 0.082 mm, then approximate ...

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  18. if radius of a sphere is r with error delta r , and S is its surface ...

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  19. If 1^(@) =0.018^(c), then sin^(2) (45 ^(@) 2')~~…

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