how many terms are there in the AP 7 ,13,19,....205
Answers
Answered by
5
an=205
a=7
d=6
an=a+(n-1) d
=7+(n-1) 6
205 = 7+6n-6
205 =1+6n
204 =6n
204/6= n
34 =n
therefore 34terms
a=7
d=6
an=a+(n-1) d
=7+(n-1) 6
205 = 7+6n-6
205 =1+6n
204 =6n
204/6= n
34 =n
therefore 34terms
Answered by
2
a =7
d=19-13=6
an i. e last term =205
so by formula
an i. e last term =a + (n-1)d
7+(n-1)6=205
n-1=205-7/6
n-1= 198/6
n-1=33
n=34
therefore thwre are thirty four terms in ap
hope it is useful
d=19-13=6
an i. e last term =205
so by formula
an i. e last term =a + (n-1)d
7+(n-1)6=205
n-1=205-7/6
n-1= 198/6
n-1=33
n=34
therefore thwre are thirty four terms in ap
hope it is useful
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