Question

the 21st term of an AP whose first two terms are -3and 4 is​

Answer 1

Answer:

137

Step-by-step explanation:

a=-3

a2=4

4=a+(n-1)d

4=-3+(n-1)7

n=2

a21=a+(n-1)d

a21=-3+20x7

a21=137

Answer 2

Answer:

I hope this answer is correct