Question 88
We know that
$$
\frac{8^{x}}{2^{x+y}}=64 \text{ and } \frac{9^{x+y}}{3^{4 y}}=243
$$
Determine the value of $2 x y$.
$$
\frac{8^{x}}{2^{x+y}}=64 \text{ and } \frac{9^{x+y}}{3^{4 y}}=243
$$
Determine the value of $2 x y$.
MathNet 2017-part-01 — 176 problems (EN–VI) Question 88
Math Olympiad Vault · MathNet 2017-part-01 — 176 problems (EN–VI)