find the sum of first multiples of 6
Answers
Answered by
1
6+12+18+24+30 +36
=126
Answered by
0
Answer:
the sum first 10 multiples of 6 are 6.12,18.......60
then, n/2*2a+(n-1)d
5*12+9(6)
5*12+54
5*66
330
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