Question

if the nth term of an ap is 2n-1 find the fourth term​

Answer 1

$\tt \green{given : }$

$\tt{ \dag \: nth \: term \: of \: an \: ap = 2n - 1}$

$\tt{so.. a_{n} = 2n - 1 }$

$\tt \red{too \: find : }$

$\tt{fourth \: term \: of \: the \: ap}$

$\tt \blue{solve : }$

$\tt{ a_{4} = 2(4) - 1 }$

$\tt{ a_{4} = 8 - 1}$

$\tt{ \boxed{ \boxed{a_{4} = 7}}}$

Hope my answer will help you.

Answer 2

Answer:

$\tiny\mathfrak\green{Good~morning}$

ap=7