Question

1. In an AP, if d = -4, n = 7, an = 4, then
a is
NEX
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Answer 1

Answer:

28

Step-by-step explanation:

we know

an= a + (n-1)d

4 = a + (7-1)-4

4= a + 6 x -4

4= a -24

4+24 = a

28 = a

hence a = 28

Answer 2

an = 4

d = -4

n = 7

hope it will help you friend ✌️✌️✨