Question

find the 24th term in an AP -12, -5, 2, 9, 16
Please show me the working....​

Answer 1

Answer:

first term a=-12

d= common difference = -5 - (-12) = -5+12=7

an = a + (n-1)d

a24 = a + (24-1)d

= a+23d

= -12 + 23×7

= -12 + 161

= 149

Answer 2

this is your answer in image