Question

> 2) For an given A. P. t = 4, d=-4 then a= A)6 B) 7 C) 20 D) 28
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Answer 1

Considering the question, we get the value as,

aₙ = a + (n−1)d.

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

4 = a + 6(-4)

4 = a - 24.

4 + 24 = a

a = 28.

Therefore, a = 28 ans

Hope it helps