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Q: if x/y = 5/9, then find the value of 2x2 – 3y2 / 2x2 + 3y2
A. -193:50 B. 293:193
C. -193:293 D. -193 :143

Answer and Explanation

Answer:-193:293

Explanation:
x/y = 5/9
x2/y2 = 25/81
2/3(x2/y2) = 2/3(25/81) = 50/243
50 – 243/50 + 243
-193/293

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