Question

In the series 4x8, 4x6, 4x4, …which term is 4x-4

Answer 1

Answer:

use the formula here

Step-by-step explanation:

let an= 4x-4

then find d=a2-a1

then put the value in formula

an=a+(n-1)d

now put here an=4x-4 and d which u got then solve ut u got ur answer. the value of n is your answer.

Answer 2

Given: Series 4×8, 4x6, 4x4, … is given

To find: The term which is 4×-4

Explanation: The series is in arithmetic progression whose first term(a) is 4×8 = 32.

Common difference(d)= 4×6 - 4×8

= 24-32

= -8

We need to find the term number whose value is 4×-4 = -16

The formula used is:

-16 = a +(n-1) d

=> -16= 32+ (n-1) * -8

=> -16-32 = -8(n-1)

=> -48 = -8 (n-1)

=> n-1 = 6

=> n = 6+1

= 7

Therefore, the seventh term of this series is equal to 4×-4 or -16.