what is the 10th. term of the A.P:7
13 and 19.....in 10 term
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Answer:
the 10th term of AP is 61
Step-by-step explanation:
We know that t
n
=a+(n−1)d
Here t
1
=7,t
2
=13,t
3
=19 and t
4
=25,.....
First term a=7 and common difference, d=t
2
−t
1
=13−7=6
t
10
=?
∴ t
10
=7+(10−1)×6
∴ t
10
=7+9×6
∴ t
10
=7+54
∴ t
10
=61
∴ The 10
th
term of the A.P is 61.
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