Find the area of the surface obtained by rotating the curve y=1+5x^2 from x=0 to x=1 about the y-axis I know how to do it about the x-axis but how does the formula change if your rotating about the y axis
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Originally Posted by dat1611 Find the area of the surface obtained by rotating the curve y=1+5x^2 from x=0 to x=1 about the y-axis I know how to do it about the x-axis but how does the formula change if your rotating about the y axis The formula you need is First to find the limits of integration we plug in x=0 and x=1 to get y=1 and y=6 Now we solve the equaiton for x to get Now we take the derivative with respect to y to get From here just plug into the formula and integrate. Best Wishes
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