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Question Number 205306 by peter frank last updated on 15/Mar/24

Answered by A5T last updated on 15/Mar/24

$$2(3x^2+4xy)=450\Rightarrow 3x^2+4xy=225$$$$\Rightarrow y=\frac{225-3x^2}{4x}\Rightarrow v=3x^{2}y=\frac{3x(225-3x^2)}{4}$$$$=\frac{675x-9x^2}{4}$$

Commented by peter frank last updated on 17/Mar/24

thank you

Commented by peter frank last updated on 17/Mar/24

help to solve Qn 2

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