Let's check out your elegance
Algebra
Level
5
Let \(f(x)=x^4+ax^3+bx^2+cx+d\) be a polynomial with real coefficients and real zeroes. If \(|f(i)|=1\), where \(i=\sqrt{-1}\), then find the value of \(a+b+c+d.\)
by
Sandeep Bhardwaj