Find the derivative. ƒ(x) = (7xº + 7)³ 5 (7x6+7)°. (42x7 + 7x) 210x5 (7x6 +7) ¹ 4 4 05 (7x6+7) ¹ 5 (42x5) 4 5(7x6+7)¹. (42x5+7) None of these

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