Hey!!!
Explain how this number is rational
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[tex] \frac{2 \sqrt{13} }{3 \sqrt{52} - 4 \sqrt{117} } [/tex]
Oly answer if you know
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Hey!!!
Explain how this number is rational
No spam please
Wrong answer will be deleted
[tex] \frac{2 \sqrt{13} }{3 \sqrt{52} - 4 \sqrt{117} } [/tex]
Oly answer if you know
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That's easy let's do it
we have
2√13/(3√52 - 4√117)
=> 2√13 / ( 3√13 x 4 - 4√ 13 x 9)
=> 2√13 / (6√13 - 12√13)
=> 2√13 / -6√13
Cancelling all
=> -1 / 3
Thus it's rational
Hope this helps