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Help me in this one pliz need help

Help me in this one pliz need help-example-1
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User Unkmas
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1 Answer

1 vote
You just replace n by 5:

a₅ = 2(-1)⁵; (-1)⁵ = (-1)(-1)(-1)(-1)(-1) = -1

a₈ = 2(-1) = -2
answered
User Will Dean
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