ap 10.20.30.......130 total sum
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Answered by
1
a=10
d=20-10=10
Now
An=a+(n-1)d
→130=10+(n-1)10
→130-10=(n-1)10
→120/10=n-1
→12=n-1
n = 13
So
Sum =S13=(13/2)(10+130)
=(13×140)/2
=13×70
=910
i hope you Understand....
Regards,
Leukonov.
d=20-10=10
Now
An=a+(n-1)d
→130=10+(n-1)10
→130-10=(n-1)10
→120/10=n-1
→12=n-1
n = 13
So
Sum =S13=(13/2)(10+130)
=(13×140)/2
=13×70
=910
i hope you Understand....
Regards,
Leukonov.
Answered by
1
Hey Mate
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Regards Vishal______(BhamBhamBhole)
Here Is Answer To Your Question
Hope It Might Helped You
For Queries Comment
Regards Vishal______(BhamBhamBhole)
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