find the derivative of
i) 5x^4 -3/x
ii) Sec x × Tan x
iii) 1 - Cos x ÷ x^2
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Step-by-step explanation:
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Answer:
(I)(5/3)⅕ (II)sinx/cos²x
Step-by-step explanation:
(I)5x^4-3/x=0
5x^5-3=0
5x^5=3
x^5=3/5
x=(3/5)⅕
(II) sinx X tanx
=1/cosx X sinx/cosx
=sin/cos²x
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