Recent content by Jason298

I started with the Area, substituted R for x and y. Worked out the starting area which was my maximum. Transposed the diameter formula to give me Y=1-X Differentiated the transposed area formula using the (1-X) which got rid of Y, so eventually I got x=0.5, I put this in the original area...

I believe I have cracked it, however will not know until it has been submitted so still need to try different angles to see what else I can come up with.

Can someone help me as a am racking my brain. I have been given this question; Two oil pipes with circular cross-sections are subject to the constraint that the sum of their diameters is 1m. By using careful reasoning find the diameters that give the maximum and minimum possible combined...