I'm having trouble with this one. How do I get h out of the denominator?(adsbygoogle = window.adsbygoogle || []).push({});

[tex]lim_{h\rightarrow0}\left(\frac{\frac{1}{(a+h)^{2}}-\frac{1}{x^{2}}}{h}\right)[/tex]

[tex]lim_{h\rightarrow0}\left(\frac{1}{h(a+h)^2}-\frac{1}{hx^{2}}\right)[/tex]

[tex]lim_{h\rightarrow0}\left(\frac{hx^2-h(a+h)^2}{h^2x^2(a+h)^2}\right)[/tex]

[tex]lim_{h\rightarrow0}\left(\frac{x^2-(a+h)^2}{hx^2(a+h)^2}\right)[/tex]

I keep getting a divide by zero. Am I wrong?

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# Limit Problem

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