Question

lf the second and thrid terms of an A.p. are
5 and 1. What is the first term find its
17th term​

Answer 1

Answer:

a₁₇ = -55

Step-by-step explanation:

a + d = 5 ------------------------ 1

a + 2d = 1 ----------------------- 2

Subtracting 1 from 2 gives,

d = -4

Using d = -4 in 1 gives,

a = 9

Now, 17th term,

a₁₇ = a + 16d

= 9 - 64

55

Answer 2

Answer:

first term=9

17th term=-55

Step-by-step explanation:

t2=a+d=5

t3=a+2d=1