Mathematics: Let $P$ be the set of $42^{ ext{nd}}$ roots of unity, and let $Q$ be the set of $70^{ ext{th}}$ roots of unity. How many elements do $P$ and $Q$ have in common

Let $P$ be the set of $42^{\text{nd}}$ roots of

vladutraileanu7599

17.03.2022

The answer to the given question can be defined as follows:

Step-by-step explanation:

$\to GCF(42, 70) = 7$

Therefore, the common roots of unity were

$\to e^{\pm i 2\pi \frac{k}{7}}\\\\\ where \\ \\ k=0,1,...... 6$

That's why the answer is 14 for these

0,0(0 оценок)

lizdominguez101

24.05.2023

Start fraction 5 over 6 end fraction and 0.833...

0,0(0 оценок)