If the 3rd, 4th and 5th terms of `(x+a)^n` are 60, 160, 240 respectively then `(x,a,n)=`

If the 3rd, 4th and 5th terms of (x+a)^n are 720, 1080 and 810 respectively then (x,a,n)=

If a_1,a_2,a_3,a_4 are the coefficients of 2nd, 3rd, 4th and 5th terms of (1+x)^n respectively then (a_1)/(a_1+a_2) , (a_2)/(a_2+a_3),(a_3)/(a_3+a_4) are in

If the 3rd, 4th , 5th and 6th term in the expansion of (x+alpha)^n be, respectively, a ,b ,ca n dd , prove that (b^2-a c)/(c^2-b d)=(5a)/(3c)dot

If the 3rd, 4th , 5th and 6th term in the expansion of (x+alpha)^n be, respectively, a ,b ,ca n dd , prove that (b^2-a c)/(c^2-b d)=(5a)/(3c)dot

If the 3rd, 4th , 5th and 6th term in the expansion of (x+alpha)^n be, respectively, a ,b ,ca n dd , prove that (b^2-a c)/(c^2-b d)=(5a)/(3c)dot

The 3rd , 4th and 5th terms in the expansion of (x+a)^(n) are respectively 84,280 and 560, find the values of x, a and n .

If the 3rd, 4th. 5th and sixth term in the expansion of (x+alpha)^n are a,b,c,d respectively, then prove that ((b^2-ac)/(c^2-bd))=(5a)/(3c).

If 3^rd , 8^th and 13^th th terms of a GP are x,y,z respectively, prove that x, y, z in GP.

If the 2nd, 3rd and 4th terms in the expansion of (x+a)^n are 240, 720 and 1080 respectively, find x \ and\ ndot

If the 2nd, 3rd and 4th terms in the expansion of (x+a)^n are 240, 720 and 1080 respectively, find x ,\ a ,\ ndot