document.write( "Question 749494: consider the curve y=2logx, where log is the natural logarithm. let α be the tangent to that curve which passes through the origin, let P be the point of contact of α and that curve, and let m be the straight line perpendicular to the tangent α at P. We are to find the equations of the straight lines α and m and the area S of the region bounded by the curve y=2logx, the straight line m, and the x-axis
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document.write( "let t be the x-coordinate of the poin P, then t satisfies log t=(A). Hence the equation of α is
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document.write( "the equation of m is
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document.write( "thus the area S of the region is
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document.write( "solve for A,B,C,D,E,F and G \n" );
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Algebra.Com's Answer #456151 by KMST(5328)![]() ![]() You can put this solution on YOUR website! The function is \n" ); document.write( "Its graph crosses the x-axis at the point where \n" ); document.write( " \n" ); document.write( "The x-coordinate of point P is \n" ); document.write( "The slope of the tangent at point P is the value of the derivative at that point. \n" ); document.write( "y'= \n" ); document.write( "Since the line \n" ); document.write( " \n" ); document.write( "At point P, with \n" ); document.write( "Since point P is on the graph of \n" ); document.write( "So \n" ); document.write( " \n" ); document.write( "Now we can find the equation of \n" ); document.write( " \n" ); document.write( "line \n" ); document.write( "As \n" ); document.write( " \n" ); document.write( "So \n" ); document.write( "The line \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "The area \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "the area below \n" ); document.write( "plus the area below \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "It's just the area of the triangle with vertices (e,0), P(e,2), and (e+e/4,0) \n" ); document.write( "Its base is \n" ); document.write( " \n" ); document.write( "Since \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "So |