so that tn for the A.P is .13,18 ,23,28, ..... is 5n + 8
Answers
Answered by
12
An = Tn
a = 13
d= 5
An = a + ( n-1) d
13 + ( n-1) 5
13 + 5n - 5
An= 5n + 8 = Tn
HENCE PROVED
hope it helps you ♡♡♡♡
a = 13
d= 5
An = a + ( n-1) d
13 + ( n-1) 5
13 + 5n - 5
An= 5n + 8 = Tn
HENCE PROVED
hope it helps you ♡♡♡♡
deeya932:
Mark my answer as brainliest
why
Answered by
10
We have ,
First term =a=13
common difference =18-13 =5
Use the formula for Tn,
tn =a+(n-1)d
tn=13+(n-1)5
tn=13+5n-5
tn=8+5n
i.e
tn =5n+8
Here's your answer.
Thank you.
First term =a=13
common difference =18-13 =5
Use the formula for Tn,
tn =a+(n-1)d
tn=13+(n-1)5
tn=13+5n-5
tn=8+5n
i.e
tn =5n+8
Here's your answer.
Thank you.
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