hi i am having great difficulties doing this i was wondering if anyone could start me of thanks,(adsbygoogle = window.adsbygoogle || []).push({});

a triangle is formed by the x, y - axes and the line x+2y=4. the density is given by f(x,y)= 2y. I know that i need to convert the line for y but from there on i have no idea, much abliged

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# Homework Help: Mass of a triangle

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