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1 September, 21:01

What is radical 50 - radical 2

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Answers (2)
  1. 1 September, 21:08
    0
    4 sqrt (2)

    Step-by-step explanation:

    radical 50 - radical 2

    I rewrite in terms of sqrt (means the same thing)

    sqrt (50) - sqrt (2)

    sqrt (25*2) - sqrt (2)

    We know that sqrt (ab) = sqrt (a) sqrt (b)

    sqrt (25) sqrt (2) - sqrt (2)

    5sqrt (2) - sqrt (2)

    Factor out the sqrt (2)

    sqrt (2) (5-1)

    4 sqrt (2)
  2. 1 September, 21:12
    0
    4√2

    Step-by-step explanation:

    To get √50 - √2, we need to simplify the √50. We can split the √50 into two factors, these being 2 and 25. Now, we have √2x25. The 25 is a perfect square, with 5 being the square root. This means we can put the 5 outside of the radical and remove the 25, leaving us with 5√2. Now we still need to subtract √2. This works similarly to subtracting something such as 5x-x. Because our radicals are the same, we can just subtract the √2 and have 4√2.
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