Question

if nth term of an arithmetic Progression is an =7n-3 then second term is​

Answer 1

Answer:

11

Step-by-step explanation:

substitute n with 2

7n -3

=(7 x 2) - 3

=14-3

=11

Answer 2

Answer:

Tₙ = a + (n - 1)d

= (a - d) + nd

On comparision

d = 7 & (a - d) = (-3) or, a = 4

So. T₂ = 4 + (2 - 1)7

= 11

OR YOU CAN ALSO SOLVE DIRECTLY

Tₙ = 7n - 3 is given

So, put n = 2

T₂ = (7)(2) - 3 = 11

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