Write sqrt(50) in the form Asqrt(50) where A is an integer
Note that sqrt(ab)=sqrt(a)sqrt(b)
Thus to have A, an integer, we must find the highest number 'a' that is a square number and is also a factor of 50.
So, a=25 and b=2 (ab=25x2=50)
and we have:
sqrt(50) = sqrt(25)sqrt(2) = 5sqrt(2) (A = 5)
BP
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