Question

In the A.P the general formula
for common difference is​

Answer 1

Answer:

Tn=a+(n-1)d

hope you have understand follow me for further help

Answer 2

d=a2-a1

Step-by-step explanation:

To understand this let us take an example:

Ap's are given as

2,4,6,8,10

a1 will be the first term in an given ap=2

a2 will be the second term in an given AP=4

as d=a2-a1

d=4-2

d =2

so the common differnce in an given ap=2.

if n is mentioned in the question there is one more formula i.e.a+(n-1)d

HOPE THIS ANSWER IS USEFUL!!!