Question
The value of $(2+\sqrt{3})(2-\sqrt{3})$ in.
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Answer
We know the formula $a^2 - b^2 = (a - b) (a - b)$
Here put $\text{a}=2$ and $\text{b}=\sqrt{3}$
So, $2^2-(\sqrt{3})^2=4-3=1$
Here put $\text{a}=2$ and $\text{b}=\sqrt{3}$
So, $2^2-(\sqrt{3})^2=4-3=1$
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