Question

in an AP if the common difference (d = - 4) and the 7 term is (A7) is 4 then find the first term

Answer 1

Hii friend,

D = -4

A + 6D = 4

A + 6×-4 = 4

A - 24 = 4

A = 4+24

A = 28.

HOPE IT WILL HELP YOU
.... :-)

Answer 2

GIVEN

D=-4

A7= 4

A7= a+6d

4= a+6(-4)

a= 4+24

a=28
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