Question

for an A.P the 17th term of AP is 19 and 13th term of AP is 37 find the 22nd term​

Answer 1

Step-by-step explanation:

T17 = 19

a + 16d = 19

T13 = 37

a + 12 d = 37

solve (1)&(2)

-4d = 18

d =( -4.5)

a + 12d = 37

a = (-17)

T22 = (-17) +(21) (-4.5)

= -111. 5