Find the sum of 10 term of ap 2,5,8,11...
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Answered by
0
Answer:
14,17,20,23,26,29
Step-by-step explanation:
the sum factor by 3
Answered by
0
Step-by-step explanation:
Answer:
S10=n/2(2a+(n-1)d
=10/2(2*2+(10-1)3
=5(4+9(3))
=5(4+27)
=5(31)
=155
sum of 10terms is 155
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