Practice problem
Let aaa and bbb be complex numbers. If ∣a∣=5|a| = 5∣a∣=5 and ∣b∣=7|b| = 7∣b∣=7, what is the value of ∣a‾⋅b‾∣?|\overline{a}\cdot \overline{b}|?∣a⋅b∣?
121212
353535
222
135\frac{1}{35}351
Type a concept, like “slope” or “photosynthesis”.