Integral Powers of Iota

JEE Main Mathematics · Complex Numbers · 1 question, latest first

• If the set R={(a, b): a+5 b=42, a, b ∈ N} has m elements and Σ_n=1^m(1-i^n!)=x+i y, where i=√-1, then the value of m+x+y is20248 April, Shift 1 · Q6