Application of DerivativeHard
Question
If first and (2n - 1)th terms of an A.P., G.P. and H.P. are equal and their nth terms are a, b, c respectively, then -
Options
A.a + c = 2b
B.a ≥ b ≥ c
C.a + c = b
D.b2 = ac
More Application of Derivative Questions
The angle of intersection between the curves x3 − 3xy2 + 2 = 0 and 3x2 y − y3 − 2 = 0 is-...If 2a + 3b + 6c = 0, then at least one root of the equation ax2 + bx + c = 0 lies in the interval -...The equation of tangent to the curve √x + √y = √a at the point (x1, y1) is-...On the curve x3 = 12y the abscissa changes at a faster rate than the ordinate. Then x belongs to the interval -...If a1, a2 ........ an ∈ R+ and a1, a2 .......an = 1 then the least value of (1 + a1 + a21 ) (1 + a2 + a22 )....(1 ...