if x:y =2:3 then (2x²+5xy-3y²) : (3x²+4y²)
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Answer:
11 : 48
Step-by-step explanation:
x:y =2:3
Put x = 2 & y = 3
(2x²+5xy-3y²) : (3x²+4y²)
=>[2 × (2²)] + [(5 × 2 × 3)] - [3 × (3²)] : [3 × (2²)] + [4 × (3²)]
=> [(2×4)] + 30 - [(3×9)] : [(3×4)] + [(4×9)]
=> 8 + 30 - 27 : 12 + 36
=> 11 : 48
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