Question

3. Find the 30 term of the AP 10,7,4​

Answer 1

Answer:

The 30th term is -77

Step-by-step explanation:

10,7, 4 ..

a = 10, n = 30

d = a₂ - a₁

  = 7 - 10

  = -3

aₙ = a + (n - 1)d

a₃₀ = 10 + (30 -1 )(-3)

     = 10 + (29)(-3)

     = 10 - 87

     = -77