Question

in an ap is the common difference equals to minus 4 and the 7 term is 7 is 4 then find the first term?

Answer 1

hey!!

here is ur answer !!

in an ap...

given,

common difference = -4

let the first term (a) be a....

7th term of the ap = 7

a + 6d = 4

=> a + 6 * (-4) = 4

=> a + (-24) = 4

=> a = 4 + 24

=> a = 28...


therefore ,

first term = 28...


hope this helps u!!!