ly
Find the sum of an AP
a=6
d = 4
an 30
number of terms = 11
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Answer:
a = 6
d = 4
an = 30 = l
no of terms = 11
S = n/2(a+l)
S = 11/2(6+30)
S = 11/2*36
S = 11*18
S = 198
hope you understand
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