If l-10-14-15-21-10-14-15-21k- then-

The correct option is C l=2k (C) Given, l/√(10)+√(14)+√(15)+√(21) =√(10) √(14) √(15) √(21)/k ⇒ lk= [(√(10)+√(21))+(√(14)+√(15)) #160; ] ...

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Expressing Recurring Decimal in p/q Form

If l√10+√14...

Question

If $\frac{l}{\sqrt{10} + \sqrt{14} + \sqrt{15} + \sqrt{21}} = \frac{\sqrt{10} - \sqrt{14} - \sqrt{15} + \sqrt{21}}{k},$ then:

k = \frac{l}{2}

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l = \frac{k}{2}

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l = \frac{2}{k}

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l k = \frac{1}{2}

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