the first term of an A.P. is 8 and the common difference is 4 respectively to find S30
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Answered by
1
Answer:
a=8
d=4
n=30
s=n/2(2a+(n-1)d)
s(30)=30/2(2*8+(29*4)
s(30)=15*132
s(30)=1980
Answered by
1
I don't know its answer
because I have no interest in mathematics
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