A developer wants to compare two numbers and check if they're approximately equal (with a small threshold for differences). Which combination of operators would best serve this purpose?
- a == b
- abs(a - b) < epsilon
- a is b
- a != b
To compare two numbers for approximate equality, you can use the expression abs(a - b) < epsilon, where epsilon is a small threshold value. This allows for a tolerance level in the comparison, considering small differences as equal. The other options (a == b, a is b, a != b) do not account for this tolerance and might not work for approximate comparisons.
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