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put this solution on YOUR website!the 4th root is the quantity that is multiplied by itself 4 times to get the desired number __ it is the square root of the square root
eg. __ 2 is the 4th root of 16 __ 2*2*2*2=16 __ sqrt(16)=4 __ sqrt(4)=2
4th root of 36 is sqrt(6)
sqrt(6)*sqrt(5)=sqrt(30)