document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=124501>Question 124501</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0582842379/algebrahomeworkh>AS core for edexcel, advanced maths.</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Hey! :D \r<BR>\n" );
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document.write( "ive been doing work on areas between curves and axis's\r<BR>\n" );
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document.write( "but ive stumbled across an area i find difficult! :D\r<BR>\n" );
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document.write( "i understand how to use integration to find the distance under a curve and the x-axis, but the question i have got to, it just isn't working, ive used subtraction but my answers keep logically becoming wrong, and actually becoming wrong. i cant find the correct way :( could any one point me in the correct direction? :D\r<BR>\n" );
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document.write( "the quetion is, find these shaded areas using A = (integration sign)) y dx and a method of substituion, \r<BR>\n" );
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document.write( "for 10b for example, the curve is, y= root x\r<BR>\n" );
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document.write( "it gives a point on the y - axis, (0,4) and this goes across to to meet the curve, and that is the shaded area, \r<BR>\n" );
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document.write( "how would i go about finding this out? i filled integration in for 4 and 0, but it isnt workiong :( thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #91256 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=91256\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The line y=4 meets the y=sqrt(x) curve at (16,0).<BR>\n" );
document.write( "Is the following what you have as the area under<BR>\n" );
document.write( "the line,above the curve, and in the 1st Quadrant?<BR>\n" );
document.write( "Area = integral from 0 to 16 of 4dx - integral from 0 to 16 of x^(1/2)dx?<BR>\n" );
document.write( "= 64 - (2/3)(64)<BR>\n" );
document.write( "= (1/3)64<BR>\n" );
document.write( "= 21 1/3<BR>\n" );
document.write( "=============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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