Question

in an ap if common difference is -4, n = 7, nth term is 4, find the first term. ( answer fast please )

Answer 1

Answer:

28

Step-by-step explanation:

nth term = a+(n-1)d

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

4= a+ 6(-4)

4= a-24

therefore A= 28

Answer 2

Answer:

28

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