The roots of the equation x^ 2 +p x+q=0 are tan 22º and tan 23º then

Mathematics · JEE Main · NTA Exams — Complex Numbers and Quadratic Equations

1. p + q = 1
2. p + q = –1
3. p – q = 1
4. p – q = –1

Answer

(D) p – q = –1

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