Find the

11^thterm of the A.P. : -3, , 2, …

Given

First term (a) = -3

Common difference (d) = 2^nd – 1^st terms

d = -3 – = 2.5

we need to find the 11^th term

we know that a_n = a + (n-1)d

so here, n = 11

a₁₁ = -3 + (11-1) (2.5)

a₁₁ = 22