Application of DerivativeHard

Question

If 10 harmonic means H1, H2, H3 .......H10 are inserted between 7 and - , then -

Options

A.H1 = - 7
B.H2 = - 3/7
C.H1 = - 1/7
D.H10 = - 7/19

Solution

-

Create a free account to view solution

View Solution Free
Topic: Application of Derivative·Practice all Application of Derivative questions

More Application of Derivative Questions

The equation of normal to the curve y = ex at the point (0, 1) is-...The angle of intersection between curves y = x3 and 6y = 7 − x2 at point (1, 1) is-...Water is poured into an inverted conical vessel of which the radius of the base is 2m and height 4m, at the rate of 77 l...Let φ(x) = (f(x))3 - 3(f(x))2 + 4f(x) + 5x + 3 sin x + 4 cos x ∀ x ∈ R, then...The equation of the normal to the curve y2 = 4ax at point (a, 2a) is-...