The sides of a rectangle are given by : x²+3y² andx³-y² find its perimeter
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0
Answer:
2x^2+2x^3+4y^2
Step-by-step explanation:
2(x^2+3y^2)+2(x^3-y^2)=2(x^2+3y^2+x^3-y^2)=2x^2+2x^3+4y^2
Answered by
2
Answer:
2x³ + 2x² + 4y²
Step-by-step explanation:
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