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Convert the recursive form a1=3, an=−2an−1
to the explicit form. (1 point)
Responses
an=3(−2)n
A sub n is equal to 3 times negative 2 to the n th power
an=3(−2)n−1
A sub n is equal to 3 times negative 2 raised to the n minus 1 power
an=−2(3)n−1
A sub n is equal to negative 2 times 3 raised to the n minus 1 power
an=−2(3)n+1