document.write( "Question 1115050: please help me answer the following question:\r
\n" ); document.write( "\n" ); document.write( "(1a.) When three resistors, A1, A2 and A3 are placed in parallel, the
\n" ); document.write( "equivalent resistance, A, is given by:\r
\n" ); document.write( "\n" ); document.write( "\"+1%2FA+=+1%2FA1+%2B+1%2FA2+%2B+1%2FA3+\"\r
\n" ); document.write( "\n" ); document.write( "rearrange the formula to make the equivalent resistance, A,
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Algebra.Com's Answer #729962 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
The LCD is \"A1%2AA2%2AA3\". The goal is to get all the fractions to have this denominator so we can combine them. Then we'll apply the reciprocal. \r
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\n" ); document.write( "\n" ); document.write( "\"+1%2F%28A%29+=+%281%29%2F%28A1%29+%2B+%281%29%2F%28A2%29+%2B+%281%29%2F%28A3%29+\" Start with the given equation\r
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\n" ); document.write( "\n" ); document.write( " Multiply top and bottom of the first fraction by \"A2%2AA3\" \r
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\n" ); document.write( "\n" ); document.write( " Multiply and simplify\r
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\n" ); document.write( "\n" ); document.write( " Multiply top and bottom of the second fraction by \"A1%2AA3\"\r
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\n" ); document.write( "\n" ); document.write( " Multiply and simplify\r
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\n" ); document.write( "\n" ); document.write( " Multiply top and bottom of the third fraction by \"A1%2AA2\"\r
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\n" ); document.write( "\n" ); document.write( " Multiply and simplify\r
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\n" ); document.write( "\n" ); document.write( "\"+1%2F%28A%29+=+%28A2%2AA3%2BA1%2AA3%2BA1%2AA2%29%2F%28A1%2AA2%2AA3%29+\" Add the numerators over the LCD \"A1%2AA2%2AA3\"\r
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\n" ); document.write( "\n" ); document.write( "\"+%28A%29%2F%281%29+=+%28A1%2AA2%2AA3%29%2F%28A2%2AA3%2BA1%2AA3%2BA1%2AA2%29+\" Apply the reciprocal to both sides\r
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\n" ); document.write( "\n" ); document.write( "\"+highlight%28A+=+%28A1%2AA2%2AA3%29%2F%28A2%2AA3%2BA1%2AA3%2BA1%2AA2%29%29+\" Simplify
\n" ); document.write( "This is the final answer
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