Question

for an a.p if t7=4 d=-4 then a=
​

Answer 1

Answer:

a = 7 - 4 = 3

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Answer 2

Answer:

We know, a

n

=a+(n−1)d

Putting the value given, we get

4=a+(7−1)(−4) or a=4+24

⟹a=28

Step-by-step explanation:

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