2,7,12...to 12 terms find the sum of ap
Answers
Answered by
2
s12 = 12/2 ( 2x2 +(11-1)x 5)
= 6 ( 4+ 10x5)
= 6(4+50)
= 6*54
=324
= 6 ( 4+ 10x5)
= 6(4+50)
= 6*54
=324
Anchal123:
where im wrong?
the method is correct
then what is wrong?
i think answer is not mentioned correct
yuppp
it will be 12-1
ohh sorry
ohh sorry
it's ok
hmm thnks
Similar questions