Question

In an A.P., if a = 4, n = 7, d = 4, then an is _______.
Please answer urself not from google.....​

Answer 1

Step-by-step explanation:

seventh term of this AP , a7 = a + ( 7-1 ) d = a + 6d = 4 + 6 × 4 = 28

Answer 2

Answer:

We know, an​=a+(n−1)d

Putting the value given, we get

4=a+(7−1)(−4)  or  a=4+24

⟹a=28

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