Which irrational number can be multiplied by –StartRoot 41 EndRoot to get a product that equals 1? StartRoot StartFraction 1 Over 41 E

Question

Which irrational number can be multiplied by –StartRoot 41 EndRoot to get a product that equals 1?
StartRoot StartFraction 1 Over 41 EndFraction EndRoot
Negative StartRoot 41 EndRoot
Negative StartRoot StartFraction 1 Over 41 EndFraction EndRoot
StartRoot 41 EndRoot

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Brielle 3 weeks 2021-09-26T19:52:36+00:00 2 Answers 0

Answers ( )

    0
    2021-09-26T19:54:08+00:00

    Answer: negative root 1/41

    Step-by-step explanation:

    0
    2021-09-26T19:54:18+00:00

    Answer:

    -  \sqrt{ \frac{1}{41} }

    Step-by-step explanation:

    Let x be the irrational number that can be multiplied by -√41 to get a product that equals 1.

    x  \times  - \sqrt{41}  = 1

    Solve for x, by dividing through with -√41

    This gives us:

    x =  \frac{1}{ -  \sqrt{41} }

    This is the same as:

    x = -   \frac{ \sqrt{1} }{ \sqrt{41} }

    Or

    x =  -  \sqrt{ \frac{1}{41} }

    Therefore the irrational number is

    -  \sqrt{ \frac{1}{41} }

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45:7+7-4:2-5:5*4+35:2 =? ( )