Question

find the 21st terms of an AP -5,-11,-17,-23,,,,,,,,,-383​

Answer 1

Answer:

-125

here a = -5

d = - 6

nth term = a + ( n -1) d

Answer 2

the 21st terms of an AP -5,-11,-17,-23,,,,,,,,,-383 is -131

Step-by-step explanation:

a= -5

d = a2-a1 = -11+5 = -6

a21 = a + 20d = -5 + 20(-6) = -5 -126 = -131