Question 1: Differentiate the function with respect to x. cos x . cos 2x . cos 3x
Class 12 - Math - Continuity and Differentiability
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Refer to the attachment.
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Formulas used :-
• log xⁿ = nlogx
• d/dx(log x) = 1/x
•d/dx(xⁿ) = nxⁿ-¹
•d/dx(sinx) = cosx
•d/dx(cosx) = -sinx
×××Logarithmic Differentiation×××
----------------------------
Formulas used :-
• log xⁿ = nlogx
• d/dx(log x) = 1/x
•d/dx(xⁿ) = nxⁿ-¹
•d/dx(sinx) = cosx
•d/dx(cosx) = -sinx
×××Logarithmic Differentiation×××
Attachments:
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