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a2121a^{2}-121

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Q. a2121a^{2}-121
  1. Identify function: Identify the function to differentiate. The function is f(x)=a2121f(x) = a^{2} - 121, where aa is a constant and xx is the variable.
  2. Derivative of constants: Since aa is a constant and does not depend on xx, the derivative of a2a^{2} with respect to xx is 00. The derivative of a constant, 121-121, is also 00.
  3. Apply derivative rule: Apply the knowledge that the derivative of a constant is 00 to the function f(x)f(x). The derivative of f(x)=a2121f(x) = a^{2} - 121 with respect to xx is 000 - 0.
  4. Simplify derivative expression: Simplify the derivative expression. The derivative of f(x)=a2121f(x) = a^{2} - 121 is f(x)=0f′(x) = 0.

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