Question

find tn for the A.P.1,5,9,13,17.....​

Answer 1

Hi mate✋

Here is ur answer ⬇⬇⬇⬇⬇⬇⬇⬇⬇⬇

AP = 1,5,9,13,17

d = a2 - a1 = 5 - 1 = 4

tn = a + (n-1)d

= 1 + (n-1)4

= 1 + 4n - 4

tn= 4n - 3

i hope this will help u...

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Answer 2

THE ANSWER IS HERE.

a=1,d=-4

tenth term of A.P.=a+9d

=1+9(-4)

=-35