Math, asked by Anonymous, 1 year ago

find nO. OF TERMS , AP: 7,16,25,............349

Answers

Answered by RabaabZahidah
48
a = 7
d=9
349 = 7 + (n-1)9
342=(n-1)9
38=n-1
39 = n

Answered by mafty
32
a=7
d=16-7=9
An=349
An=a+(n-1)d
349=7+(n-1)9
349-7=(n-1)9
342/9=n-1
38+1=n
n=39
total number of terms are 39
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