Jawaban:
[tex] \sf \frac{5 \: + \: \sqrt{2} }{5 \: - \: \sqrt{2} } = \frac{5 \: + \: \sqrt{2} }{5 \: - \: \sqrt{2} } \times \frac{5 \: + \: \sqrt{2} }{5 \: + \: \sqrt{2} } [/tex]
[tex] \: \: \: \: \: \: \: \: \: \: \: \: \sf = \frac{(5 \: + \: \sqrt{2} )( 5 \: + \: \sqrt{2}) }{(5 \: - \: \sqrt{2})(5 \: + \: \sqrt{2} )} [/tex]
[tex] \: \: \: \: \: \: \: \: \: \: \: \: \sf = \frac{ {5}^{2} \: + \: 5 \sqrt{2} \: + \: 5 \sqrt{2} \: + \: {( \sqrt{2}) }^{2} }{ {5}^{2} \: - \: ( { \sqrt{2}) }^{2} } [/tex]
[tex] \: \: \: \: \: \: \: \: \: \: \: \: \sf = \frac{25 \: + \: 5 \sqrt{2} \: + \: 5 \sqrt{2} \: + \: 2 }{25 \: - \: 2} [/tex]
[tex] \: \: \: \: \: \: \: \: \: \: \: \: \sf = \frac{25 \: + \: 2 \: + \: 5 \sqrt{2} \: + \: 5 \sqrt{2} }{23} [/tex]
[tex] \: \: \: \: \: \: \: \: \: \: \: \: \sf = \frac{27 \: + \: 5 \sqrt{2} \: + \: 5 \sqrt{2} }{23} [/tex]
[tex] \: \: \: \: \: \: \: \: \: \: \: \: \sf = \red{ \frac{27 \: + \: 10 \sqrt{2} }{23} }[/tex]
'조슈아' (Svt)
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Jawaban:
Penyelesaian :
[tex] \sf \frac{5 \: + \: \sqrt{2} }{5 \: - \: \sqrt{2} } = \frac{5 \: + \: \sqrt{2} }{5 \: - \: \sqrt{2} } \times \frac{5 \: + \: \sqrt{2} }{5 \: + \: \sqrt{2} } [/tex]
[tex] \: \: \: \: \: \: \: \: \: \: \: \: \sf = \frac{(5 \: + \: \sqrt{2} )( 5 \: + \: \sqrt{2}) }{(5 \: - \: \sqrt{2})(5 \: + \: \sqrt{2} )} [/tex]
[tex] \: \: \: \: \: \: \: \: \: \: \: \: \sf = \frac{ {5}^{2} \: + \: 5 \sqrt{2} \: + \: 5 \sqrt{2} \: + \: {( \sqrt{2}) }^{2} }{ {5}^{2} \: - \: ( { \sqrt{2}) }^{2} } [/tex]
[tex] \: \: \: \: \: \: \: \: \: \: \: \: \sf = \frac{25 \: + \: 5 \sqrt{2} \: + \: 5 \sqrt{2} \: + \: 2 }{25 \: - \: 2} [/tex]
[tex] \: \: \: \: \: \: \: \: \: \: \: \: \sf = \frac{25 \: + \: 2 \: + \: 5 \sqrt{2} \: + \: 5 \sqrt{2} }{23} [/tex]
[tex] \: \: \: \: \: \: \: \: \: \: \: \: \sf = \frac{27 \: + \: 5 \sqrt{2} \: + \: 5 \sqrt{2} }{23} [/tex]
[tex] \: \: \: \: \: \: \: \: \: \: \: \: \sf = \red{ \frac{27 \: + \: 10 \sqrt{2} }{23} }[/tex]
'조슈아' (Svt)