an appointment has common difference 2,sum of first n terms 49 and 7th term is 13.the value of n is equalis
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1+3+5+7+9+11+13=49
SO N=7
SO N=7
amrit210402:
sorry but it is not correct
ok
question is an ap has common difference 2 and sum of first n terms is 49 and 7th term 13.the value of n is equal
so what is the correct answer
7 is the correct answer
but I don't know how to solve it
ok
please solve it
I try to solve it
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