# Differentiate wrt $$x$$

Calculus Level 1

Given that $$y = 6^2$$. If $$y' = a$$, and $$a! = b$$, find $$b$$.

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Clarifications:

• $$y'$$ denotes the derivative of $$y$$ with respect to the variable $$x$$.
• $$!$$ denotes the factorial notation. For example, $$8! = 1\times2\times3\times\cdots\times8$$.
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