Find f'(x). f(x) = = O V 10x - sin²(7x) 1 f'(x) = = 2√/10 - 14cos(7x) 1 f(x) 2√10x - sin² (7x) 10 14cos(7x) f'(x) = 2₁/10x sin (7x) - 10 14sin(7x)cos(7x) f'(x) = = 2√/10x - sin²(7x) = =

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