Simplify the expression
√x^2+36. (Are absolute values needed?)
√ x² = ± x = | x |
This mean:
√ x² + 36 = | x | + 36
Absolute value is needed.
√x^2+36. (Are absolute values needed?)
This mean:
√ x² + 36 = | x | + 36
Absolute value is needed.