Continuity and DifferentiabilityHard

Question

If f(a) = a2, φ (a) = b2 and f′(a) = 3φ′(a) then is -

Options

A.b2/a2
B.b/a
C.2b/a
D.None of these

Solution

f(a) = a2  φ(a) = b2
f′(a) = 3φ′(a)
term
Apply L Hospital

Create a free account to view solution

View Solution Free
Topic: Continuity and Differentiability·Practice all Continuity and Differentiability questions

More Continuity and Differentiability Questions

If y = , then is -...If u = sin−1 (x − y), x= 3t, y = 4t3, then du/dt equals-...f(x) is continuous at x = 0, then which of the following are always true ?...f(x) = 1 + [cos x] x in 0 < x ≤ π/2 , where [.] denotes greatest integer function then -...The slope(s) of common tangent(s) to the curves y = e-x & y = e-x sin x can be -...