MCQ
Find sum of series $2 + 3 + 5 + 7.$
- A$5$
- B$10$
- ✓$17$
- Dinfinte
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(A rational ponit is a point both of whose coordinates are rational numbers)
$a+b+c $$ =x $ ; $a+b \omega+c \omega^2 $$ =y $ ; $a+b \omega^2+c \omega $$ =z .$
Then the value of $\frac{|x|^2+|y|^2+|z|^2}{|a|^2+|b|^2+|c|^2}$ is