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The power rule for differentiation states that if $n$ is a real number and $f(x) = x^n$, then $f'(x) = nx^{n-1}$
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$\frac{1}{2}\left(3\sin\left(x\right)\right)^{-\frac{1}{2}}\frac{d}{dx}\left(3\sin\left(x\right)\right)$
Learn how to solve differential calculus problems step by step online. Find the derivative of (3sin(x))^1/2. The power rule for differentiation states that if n is a real number and f(x) = x^n, then f'(x) = nx^{n-1}. The derivative of a function multiplied by a constant (3) is equal to the constant times the derivative of the function. The derivative of the sine of a function is equal to the cosine of that function times the derivative of that function, in other words, if {f(x) = \sin(x)}, then {f'(x) = \cos(x)\cdot D_x(x)}. Applying the property of exponents, \displaystyle a^{-n}=\frac{1}{a^n}, where n is a number.