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Hi could someone please help with these questions: 1. if a curve has dy/dx = x/sqrt(x+1) and yint of 2, evaluate y when x=3 2. Find the volume of the solid of revolution formed when the curve y=x(x^3 -3)^2 is rotated about the x=axis from x=0 to x=1 Thanks

Find the coordinates of point Q where the tangent to the curve y=(5x^2)-3x is parallel to the line 7x-y+3=0. I keep getting the answer Point Q: (-2/5, 2) but the BOB says the answer is (1,2)... What am I doing wrong?

Ok well, in regards to picking my subjects, I have never really considered choosing Physics. I personally think the little I have heard about it sounds really boring and dull. I am a very maths and science orientated person and will most likely be taking prelim chem and bio next year (as well as...

Hey guys. Well for subject selections I'm thinking of doing: English Advanced Maths Ext 1 Chemistry Italian Continuers Biology Anyway, originally I was planning on doing Eng Ext 1 but I recently discovered that our school most likely won't allow us to do both Eng and Maths Ext 1. So I need to...