Question

if a = 2and r equals to 4 in a GP then find a5​

Answer 1

Answer:

18

Step-by-step explanation:

a5=a+4d

2+4×4

2+16

18

Answer 2

The fifth term of GP is 512.

Step-by-step explanation:

We are given the following in the question:

A geometric progression (G.P) with

$a = 2\\r = 4$

We have to find the fifth term of the G.P

Formula:

The $n^{th}$ term of GP is given by:

$a_n = ar^{n-1}$

Putting values, n = 5, we get,

$a_5 = 2(4)^{5-1}\\a_5 = 2(4)^4\\a_5 = 512$

Thus, the fifth term of GP is 512.

#LearnMore

Find the first five terms of GP a is equal to 1024 and r is equal to 1/2​

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