Question

a=2,a2=4,an=100 n=?​

Answer 1

Answer:

n=50

Step-by-step explanation:

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Answer 2

Answer:

a=2

a2=4

d=a2-a

=4-2

d=2

an=100

an=a+(n-1)d

100=2+(n-1)2

100=2+2n-2

100=2n

n=100/2

n=50

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