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6. Exponents and Polynomials - 3! 1부

6. Exponents and Polynomials / The Product Rule / 문제 6

문제 6

Simplify $2 a^{2} b^{- 1} \cdot 3 a^{- 1} b^{3}$ .

A

$6 a^{3} b^{- 1}$

B

$6 a b$

C

$6 a b squared$

D

$5 a b squared$