[" 29.If "3rd,4th,5" th and "6" th terms in the expansion of "(x+alpha)^(n)" be respectively "a,b,c" and "a],[" that "(b^(2)-ac)/(c^(2)-bd)=(5a)/(3c)]

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

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 a, b, c, d be 3^(rd), 4^(th), 5^(th) and 6^(th) terms of the expansion of (p+q)^(n) , where n is a positive integer prove that (b^(2)-ac)/(c^(2)-b)=(5a)/(3c) .

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 5 th term is 24 xx the 3rd term in the expansion of (1+x)^(n), then x=

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

In the expansion of (x+P)^n ,the 6th ,7th,8th and 9th terms are a,b,c and d resp,show that (b^2-ac)/(c^2-bd)=(4a)/(3c)

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