if 2x ndash y 5x 3y 3 8 then x2 y2 x2 ndash y2 | Examsbook

1383

Q:
If ( 2x – y): ( 5x+3y)=3 : 8 then ( x² + y²) : ( x² – y²)=?

1
257 : 255
2
145 : 144
3
144 : 143
4
133 : 122

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Answer : 2. "145 : 144"

Maths Ratio and Proportion Questions

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