The Answer Is n^2 Part II
Algebra
Level
3
\[ \large{\dfrac{31-2\delta_{1}}{1-2\delta_{1}} +\dfrac{31-2\delta_{2}}{1-2\delta_{2}}+\dfrac{31-2\delta_{3}}{1-2\delta_{3}}} \]
If \(\large{1,\delta_{1},\delta_{2},\delta_{3}}\) are distinct fourth roots of unity, then evaluate the expression above.
by
Shubhendra Singh