Calculus/Expert Profile

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Recent Answers from Socrates

2009-10-02 Centroid::

AF = BF , so the ratio is 1 To simplify the calculations , we may assume that C is the origin , C = (0,0). Then D = B/2 , E = A/2 The vectors G - B and A/2 - B are parallel , so G - B = r(A/2

2009-10-01 Applications of integration...:

Use integration to "sum up" cross section areas to find the volume. A horizontal plane cross section of this pyramid will be an equilateral triangle. Use similar triangles and draw a diagram if necessary

2009-10-01 line integral:

The notation I use might be different from yours , but here it is dx,dy stand for the derivatives of the path components Substitute t for x , 1/t for y , 1 for dx and -t^-2 for dy in S xy^2 dx

2009-09-30 ap calculus preparation:

For the standard equation of a circle you need to find the center and radius The midpoint of a diameter will always be the center of the circle. The midpoint of the segment joining (6,1) and (-2

2009-09-30 math:

I assume you are talking about fractions with a binomial in the denominator that has a square root in one or both terms . Basically, you multiply numerator and denominator by what you get when you change