Question

for
an A.P.
if t7: 4 d:-4, then as​

Answer 1

Answer:

Explanation:

Given:- t7 = 4

d =-4

tn = a + (n - 1)d

t7 = a + (7 - 1)d

= 4 = a + 6(-4)

= 4 = a - 24

= a = 4 + 24

a = 28

Answer 2

Explanation:

Answer in the figure

Hope this will help you