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Differentiate w.r.t. x
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\left(9x^{2}\right)^{1}\times \frac{1}{x^{14}}
Use the rules of exponents to simplify the expression.
9^{1}\left(x^{2}\right)^{1}\times \frac{1}{1}\times \frac{1}{x^{14}}
To raise the product of two or more numbers to a power, raise each number to the power and take their product.
9^{1}\times \frac{1}{1}\left(x^{2}\right)^{1}\times \frac{1}{x^{14}}
Use the Commutative Property of Multiplication.
9^{1}\times \frac{1}{1}x^{2}x^{14\left(-1\right)}
To raise a power to another power, multiply the exponents.
9^{1}\times \frac{1}{1}x^{2}x^{-14}
Multiply 14 times -1.
9^{1}\times \frac{1}{1}x^{2-14}
To multiply powers of the same base, add their exponents.
9^{1}\times \frac{1}{1}x^{-12}
Add the exponents 2 and -14.
9\times \frac{1}{1}x^{-12}
Raise 9 to the power 1.
\frac{\mathrm{d}}{\mathrm{d}x}(\frac{9}{1}x^{2-14})
To divide powers of the same base, subtract the denominator's exponent from the numerator's exponent.
\frac{\mathrm{d}}{\mathrm{d}x}(9x^{-12})
Do the arithmetic.
-12\times 9x^{-12-1}
The derivative of a polynomial is the sum of the derivatives of its terms. The derivative of a constant term is 0. The derivative of ax^{n} is nax^{n-1}.
-108x^{-13}
Do the arithmetic.