• asnaseer
How good is your understanding of differentiation? $$y=x^2$$ can be written as $$y=x*x$$ which can also be written as $$y=x+x+x+...+x$$ (i.e. "x" lots of x). using this we get:\begin{align} y&=x^2\\ \therefore \frac{dy}{dx}&=2x\\ &\text{but we can also write this as:}\\ y&=x+x+x+...+x\quad\text{i.e. "x" lots of x}\\ \therefore \frac{dy}{dx}&=1+1+1+…+1\quad\text{i.e. "x" lots of 1's}\\ &=x\\ \therefore 2x&=x\\ \therefore 2&=1 \end{align}where is the mistake in this?
Mathematics
• Stacey Warren - Expert brainly.com
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SOLVED
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