which term ofAP 3,8,13,18...,is 78?
Sunandit:
16th term of A.P will be 78.
Answers
Answered by
5
Hey....
Here is your answer...
a = 3
d = 5
l = 78
l = a + (n-1)d
78 = 3 + (n-1)5
75 = 5n-5
5n = 80
n = 16
Hence, 16th term of the AP is 78.
Hope this would help you.
#Saadya
Here is your answer...
a = 3
d = 5
l = 78
l = a + (n-1)d
78 = 3 + (n-1)5
75 = 5n-5
5n = 80
n = 16
Hence, 16th term of the AP is 78.
Hope this would help you.
#Saadya
Answered by
5
Here,
A = 2
D = 5
An= 78
We know that,
An = a+(n-1)d
78= 3+ (n-1) 5
78= 3+ 5n -5
5n = 80
N = 80/5
= 16
Hence, the 16th term of the A.P. is 78.
A = 2
D = 5
An= 78
We know that,
An = a+(n-1)d
78= 3+ (n-1) 5
78= 3+ 5n -5
5n = 80
N = 80/5
= 16
Hence, the 16th term of the A.P. is 78.
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