Question

For an A.P. the first two terms are -3 , 4. The 21st term is …

Answer 1

Answer:

a + (n - 1) × d = 21st term

-3 + (21 - 1) ×7

-3 + (20) × 7

-3 + 140

137 is your answer.

I hope you understand it.

Thanks and have a wonderful day