Question

in an Ap, if a = 4, n=7 and a = 4, then the
value of d is
​

Answer 1

Answer:

D=0

Step-by-step explanation:

A(n)=A+(N-1)D

Given A(n)=4

A=4

N=7

D=?

let D=X

so,

4=4+(7-1)X

4=4+6X

4-4=6X

6X=0

X=0

So common difference is 0

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