document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=989244>Question 989244</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Write a general formula to describe the variation.  F varies inversely with d^2,<BR>\n" );
document.write( "F=63 when d=9 </SPAN>\n" );
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document.write( "F varies inversely with d^2, F = 63 when d = 9\r<BR>\n" );
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document.write( "Formula:  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=F+=+k%2Fd%5E2 ALIGN=MIDDLE  ALT=\"F+=+k%2Fd%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=63+=+k%2F9%5E2 ALIGN=MIDDLE  ALT=\"63+=+k%2F9%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > ---> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=63+=+k%2F81 ALIGN=MIDDLE  ALT=\"63+=+k%2F81\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Multiply both sides by 81:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=81%2A63+=+%28k%2F81%29%2A81 ALIGN=MIDDLE  ALT=\"81%2A63+=+%28k%2F81%29%2A81\"   DISABLED_style= \"max-width:90%; height:auto;\" >  ---> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5103+=+k ALIGN=MIDDLE  ALT=\"5103+=+k\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "The variation formula is,\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=F+=+5103%2Fd%5E2 ALIGN=MIDDLE  ALT=\"F+=+5103%2Fd%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
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