CGPET 2016 Solved Paper

Section: Mathematics

Question : 141 of 150

Marks: +1, -0

A particle moving on a curve has the position at a time t is given by
x=f′(t)‌sin‌t+f′(t)‌cos‌t
y=f′(t)‌cos‌t−f′(t)‌sin‌t, where f is a twice differentiable function. Then, the velocity of the particle at time t is

f′(t)+f′′(t)
f′t)−f′′(t)
f′(t)+f′′′(t)
f′(t)−f′′(t)

Validate

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