Question

A=3,m=8,sm=192 तो d निकाले

Answer 1

Answer:

d=6

Step-by-step explanation:

a=3

n=8

Sn=192

Sn=n/2(a+An)

192=8/2(3+An)

192=4(3+An)

192=12+4An

4An=192-12

4An=180

An=180/4

An=45

An=a+(n-1)d

45=3+(8-1)d

45=3+7d

7d=45-3

7d=42

d=42/7

d=6