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Simplify $\sqrt{a^2}$ using the power of a power property: $\left(a^m\right)^n=a^{m\cdot n}$. In the expression, $m$ equals $2$ and $n$ equals $\frac{1}{2}$
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$\lim_{a\to b}\left(\frac{\sin\left(a\right)^2-\sin\left(b\right)^2}{\left(a+\sqrt{1b^2}\right)\left(\sqrt{a^2}-\sqrt{1b^2}\right)}\right)$
Learn how to solve limits by direct substitution problems step by step online. Find the limit of (sin(a)^2-sin(b)^2)/(a^2-b^2) as a approaches b. Simplify \sqrt{a^2} using the power of a power property: \left(a^m\right)^n=a^{m\cdot n}. In the expression, m equals 2 and n equals \frac{1}{2}. Any expression multiplied by 1 is equal to itself. Simplify \sqrt{b^2} using the power of a power property: \left(a^m\right)^n=a^{m\cdot n}. In the expression, m equals 2 and n equals \frac{1}{2}. Any expression multiplied by 1 is equal to itself.