Question

The (n-1)th term of an A. P. is given by 7,12,17,22,... is_
​

Answer 1

Step-by-step explanation:

d=12−7=5

Since, a

n

=a+(n−1)d

⇒a

n

=7+(n−1)5

⇒a

n

=5n+2

.

Answer 2

Answer:

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