Math, asked by gurpreet32, 1 year ago

what is the common deference an AP. a21-a7=84

Answers

Answered by Anjali1245
3
a+20d-(a+6d)=84
a+20d-a-6d=84
14d=84
d=84/14=6
common diff is 6
Answered by Anonymous
0
Hey folk!!

Here is ur answer..
Hope it helps..

Thank you :) :)


Oh sorry
My calculation mistake..

Answer of anjali is correct.
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