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Math Help - Surds Help needed ASAP

  1. #1
    Junior Member
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    Surds Help needed ASAP

    Hi im doing a past paper, and i was wondering how id do this surds question. Im not alowed to use a calculator.
    Not sure how to use the equation tool btw so...

    (Route 17) multiplied by (route 68)

    Thanks in advanced
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  2. #2
    Senior Member DivideBy0's Avatar
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    Quote Originally Posted by nugiboy View Post
    Hi im doing a past paper, and i was wondering how id do this surds question. Im not alowed to use a calculator.
    Not sure how to use the equation tool btw so...

    (Route 17) multiplied by (route 68)

    Thanks in advanced
    Hi nugiboy!

    \sqrt{17} \times \sqrt{68}

    =\sqrt{17} \times \sqrt{17 \times 4}

    =(\sqrt{17} \times \sqrt{17} )\times \sqrt{4}

    =17 \times 2

    =34
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  3. #3
    Flow Master
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    Quote Originally Posted by nugiboy View Post
    [snip]

    (Route 17) multiplied by (route 68)
    Looks more like you're going on a mathematics road trip, dude
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