Question 67 and 66

# Doubt from calculus

Someone help in these questions

for 67,

is it option A?

Yes correct how did you proceed ?

HINT:Apply L-Hospitals rule on LHS ,

Then we get F(x)=\sqrt{2x-x^2},

(if you still didn't get it i will send a written solution)

Not able to get it. Please send it.