find the sum of 22 terms of an A.P in which d=7 and 22nd term is 149.
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3
the formula of general term is
l=a+(n-1)d
here u will find the value of a
and n=22
l=149
now use the formula of sum of an AP
l=a+(n-1)d
here u will find the value of a
and n=22
l=149
now use the formula of sum of an AP
Answered by
5
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