Find the sum of the following geometric series :x3, x5, x7, … to n terms

Common Ratio = r = ∴ Sum of GP for n terms = …(1)⇒ a = x3, r = x2, n = n∴ Substituting the above values in (1) we get⇒ ⇒

Q2 of 176 Page 20

Find the sum of the following geometric series :
x³, x⁵, x⁷, … to n terms

Common Ratio = r =

∴ Sum of GP for n terms = …(1)

⇒ a = x³, r = x², n = n

∴ Substituting the above values in (1) we get

⇒

Find the sum of the following geometric series :

1, - a, a², - a³, …. to n terms (a ≠1)

Find the sum of the following geometric series :

to n terms

Evaluate the following :