Question

Tick the correct answer
ln an AP, If d=-4 ,n=7, an=4,then a is
(a) 6 ( )
(b) 7 ( )
(c) 20 ( )
(d) 28 ( )

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Answer 1

Answer:

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Answer 2

Answer:

28

Step-by-step explanation:

an = a + (n-1) d

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

4 = a - 24

a = 28

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