The coefficients of three consecutive te...

The coefficients of three consecutive terms in the expansion of `(1 + a)^n` are are in the ratio 1: 7: 42 Find n.

BINOMIAL THEOREM
NCERT GUJARATI|Exercise EXERCISE 8.1|14 Videos
BINOMIAL THEOREM
NCERT GUJARATI|Exercise EXERCISE 8.2|12 Videos
APPENDIX 2 MATHEMATICAL MODELLING
NCERT GUJARATI|Exercise EXAMPLE|3 Videos
COMPLEX NUMBERS AND QUADRATIC EQUATIONS
NCERT GUJARATI|Exercise MISCELLANEOUS EXERCISES ON CHAPTER 24|1 Videos

Similar Questions

Explore conceptually related problems

The coeffcients of the (r-1)^th , r^th and (r+1)^th terms in the expansion of (x+1)^n are in the ration 1 : 3: 5 Find n and r.

If the coefficients of 4^(th) and 13^(th) terms in the expansion of (a+b)^(n) are equal then find n .

The two successive terms in the expansion of (1+x)^(24) whose coefficients are in the ratio 1:4 are

If the coefficients of (r-5)^th and (2r - 1)^th terms in the expansion of (1 + x)^34 are equal, find r.

The sum of coefficients of the two middle terms in the expansion of (1+x)^(2n-1) is equal to (2n-1)C_(n)

If the coefficient of 2nd , 3rd and the 4th terms in the expansion of (1+x)^(n) are in AP, then the value of n is

The coefficient of x^(m) and x^n in the expansion of (1+x)^(m+n) are ...........

The number of terms in the expansion of (x+y+z)^(n)……….

If the fourth term in the expansion of (px+1/x)^n is 5/2 , then (n,p)=

If the coefficient of second , third and fourth terns in the expansion of (1+x)^(2n) are in AP, then show that 2n^(2)-9n + 7 = 0