r^(th)" term in "((3a)/(5)+(5b)/(7))^(8)(1<=r<=9)

If the fourth term of a H.P is (1)/(3) and 7 th term is (1)/(4), then 16 th term is (A) (1)/(5) (B) (1)/(6)(C)(1)/(7)(D)(1)/(8)

If (r+1)^(th) term is (3.5...(2r-1))/(r!) (1/5)^(r) , then this is the term of binomial expansion-

Find the 5^("th")" term of "(7+(8y)/(3))^(7//4) .

Find the 5^("th")" term of "(7+(8y)/(3))^(7//4) .

In an A.P., if 5 ^(th) term is (1)/(7) and 7^(th) term is (1)/(5), then the sum of first 35 terms is

Find the 24^(th) term of the H.P (2)/(7),(1)/(5),(2)/(13),(1)/(8), cdots

Find the 5 th term of ( i ) ((a)/(3)-3b)^(7)

n^(th) terms of the series 1+(4)/(5)+(7)/(5^(2))+(10)/(5^(3))+......... will be

The n ^(th) terms of the series 1 + (4)/(5) + (7)/(5 ^(2)) + (10)/(5 ^(3)) +………. is