Question

For an given A.P t7 =4 d = -4 then a=?​

Answer 1

Answer:

a=28

Step-by-step explanation:

t7=4

d=-4

t7=a+(n-1)d

t7=a+(7-1)(-4)

t7=a+6(-4)

4=a-24            [t7=4]

4+24=a

a=28

Thank You..............