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AP EAMCET20227 Jul 2022Evening ShiftMathematicsApplication of DerivativesActual

The normal to the curve y=f(x) at the points (3,4) makes an angle 3 4 with positive X -axis then f^ (3)=

Options

  1. A3
  2. B2
  3. C1
  4. D4

Correct answer

C. 1

Step-by-step solution

Given, aligned y & =f(x) d y / d x & =f^ (x) aligned Slope of normal at (3,4) is - 1 f^ (3) = ( 3 4 )=-1 =f^ (3)^ =1

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