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In an Ap a=-3,d=0 find the sum of it's first 10 terms please solve it​

In an Ap a=-3,d=0 find the sum of it's first 10 terms please solve it​
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1 vote
In an Ap a=-3,d=0 find the sum of it's first 10 terms please solve it​

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User Jeremyh
by
8.2k points

1 Answer

2 votes

Answer:

a=-3

d=0

n=10

s10=n/2{2a+(n-1)d}=10/5{2×-3+(n-1)0}=2{-6)=-12

answered
User WpfBee
by
8.5k points
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