2 \cdot ( \frac { 2 } { 3 } ) ^ { 15 } \div ( \frac { 2 } { 3 } ) ^ { – InterviewSolution

1.

2 \cdot ( \frac { 2 } { 3 } ) ^ { 15 } \div ( \frac { 2 } { 3 } ) ^ { k } = \frac { 8 } { 27 }

Answer»

8/27=2^3/3^3on the LHS2/3)^15-khence equate the exponents15-k=3k=12

thanks

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