Evaluate
1
Factor
1
Quiz
Arithmetic
5 problems similar to:
\frac { \sqrt { 5 } + 1 } { 2 } - \frac { \sqrt { 5 } - 1 } { 2 }
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\frac{\sqrt{5}+1-\left(\sqrt{5}-1\right)}{2}
Since \frac{\sqrt{5}+1}{2} and \frac{\sqrt{5}-1}{2} have the same denominator, subtract them by subtracting their numerators.
\frac{\sqrt{5}+1-\sqrt{5}+1}{2}
Do the multiplications in \sqrt{5}+1-\left(\sqrt{5}-1\right).
\frac{2}{2}
Do the calculations in \sqrt{5}+1-\sqrt{5}+1.
1
Divide 2 by 2 to get 1.
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