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optiquest
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its simply, really

gypsi
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\[6\div r ^{2}1 1\div2=1\div r1\]

gypsi
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lcd=\[(r ^{2}1)(r+1)(2)?\]

gypsi
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the last term is suppose to be 1/r+1

asnaseer
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is this your question?:\[\frac{6}{r^21}\frac{1}{2}=\frac{1}{r+1}\]

gypsi
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yes

asnaseer
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use the fact that:\[r^21=(r+1)(r1)\]

optiquest
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okay r^21 = (r+1)(r1) make all the denominators match

asnaseer
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and then multiply both sides by (r+1). that should simplify the expression.

asnaseer
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I need to leave now  but hopefully there are plenty of people here that can assist you...