﻿ If the coefficient of rth, (r + 1)th and (r  + 2)th terms are in A.P., then n is a root of the equation : Kaysons Education

If The Coefficient Of rth, (r + 1)th And (r  + 2)th Terms Are In A.P., Then n is A Root Of The Equation

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Question

Solution

Correct option is

SIMILAR QUESTIONS

Q1

If the middle tern in the expansion of  is 40 then x equals

Q2

If the term independent of x in the expansion of  is 405, then kequals

Q3

In the third term in the expansion  is 2, then x equals

Q4

If the fifth term in the expansion of  does not depend upon x, then  equals

Q5

the greatest term in absolute value in the expansion of (a +b)50 is

Q6

Coefficient of the term independent of x in the ex pansion of  is

Q7

Value (s) of x for which the fourth term in the ex pansion of  is 40 is (are)

Q9

If x2r occurs in  then n – 2r must be of the form

Q10

then n must be equal to