Application of DerivativeHard
Question
If tangent at a point of the curve y = f(x) is perpendicular to 2x - 3y = 5, then at that point 
equal -
equal -Options
A.2/3
B.-2/3
C.3/2
D.-3/2
Solution
Slope of tangent is 
Slope of line 2x - 3y = 5 is
and tangent is perpendicular this line.
∴
Slope of line 2x - 3y = 5 is
and tangent is perpendicular this line.
∴
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