Differentiate the following functions with respect to x (without using first principle) :
![i){x}^{2} Cosx \\ \\ii) {x}^{2} Cos {x}^{2} \\ \\ iii) \sqrt[3]{sinx}](https://tex.z-dn.net/?f=+i%29%7Bx%7D%5E%7B2%7D++Cosx+%5C%5C++%5C%5Cii%29+%7Bx%7D%5E%7B2%7D+++Cos+%7Bx%7D%5E%7B2%7D+%5C%5C++%5C%5C++iii%29++%5Csqrt%5B3%5D%7Bsinx%7D+ "i){x}^{2} Cosx \\ \\ii) {x}^{2} Cos {x}^{2} \\ \\ iii) \sqrt[3]{sinx}")
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Formulae used:
- sinx = cosx
- cosx =-sinx
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