The general term of the G.P. is : 1. (-1)(n - 1) × 2(n - 3) 2. (-1)(n - 1) × 2(n - 2) 3. (-1)(n - 1) × (-2)(n - 1) 4. (-1)(n - 1) × (-2)(n - 3)

Question

KnowledgeBoat · Accepted Answer

We know that, nth term of a G.P. is given by, Tn = arn - 1 In the given G.P., a = r = = -2. ⇒ Tn = (-2)n - 1 = .(-2)n - 1 = 2-2.(-1)n - 1.(2)n - 1 = (-1)n - 1.(2) -2 + n - 1 = (-1)n - 1.(2)n - 3 Hence, option 1 is the correct option.

Mathematics

The general term of the G.P. is : 1. (-1)(n - 1) × 2(n - 3) 2. (-1)(n - 1) × 2(n - 2) 3. (-1)(n - 1) × (-2)(n - 1) 4. (-1)(n - 1) × (-2)(n - 3)

G.P.

Related Questions

The 12th term of the G.P. 2, 4, 8, 16, ……. is :
1024
2048
4096
8192

Mathematics

The general term of the G.P. is : 1. (-1)(n - 1) × 2(n - 3) 2. (-1)(n - 1) × 2(n - 2) 3. (-1)(n - 1) × (-2)(n - 1) 4. (-1)(n - 1) × (-2)(n - 3)

G.P.

Related Questions

The 12th term of the G.P. 2, 4, 8, 16, ……. is :1024204840968192

The 12th term of the G.P. 2, 4, 8, 16, ……. is :
1024
2048
4096
8192