if the sum of first 7 terms of an ap is 49 and that of 17 terms is 289 find the sum of first n terms
Answers
Answered by
4
do this, u will get it
Attachments:
Poorna160403:
sorry another page is missing
its ok ... thanks 4 ur concern...
ok
Answered by
7
I think so it is correct
Attachments:
Similar questions