Question 172237
{{{ (49*sqrt(14))/(21*sqrt(3)) }}}
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= {{{ (49*sqrt(14))/(21*sqrt(3)) * (sqrt(3))/(sqrt(3)) }}}
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= {{{ (49*sqrt(14)*sqrt(3))/(21*3)) }}}
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= {{{ (49*sqrt(42))/63) }}}
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= {{{ ((7*7)*sqrt(42))/(7*3) }}}
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= {{{ (7*sqrt(42))/3 }}}