d/dx (x2+ 9)1/2= 1/2*(x2+ 9)-1/22x = x(x2+ 9)-1/2or x/(x2+ 9)1/2
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The derivative, with respect to x, is -x/sqrt(1-x2)
The diameter of a rectangular area is the square root of the length squared plus the width squared. D = √(L²+W²).
The square root of A2 is... A !
Any square root squared is the number inside the ()
The square root of x = x to the power of a half