Boost your skills in A Level Further Mathematics Core Pure. Study with flashcards and multiple choice questions, each question is followed by hints and explanations. Get prepared for your exam with confidence!

Multiple Choice

For z^2 - z + 2 = 0, what is the sum of its roots?

For a quadratic equation, the sum of its roots is -b/a. This relation holds whether the roots are real or complex. In z^2 - z + 2 = 0, the coefficients give a = 1 and b = -1, so the sum of the roots is -(-1)/1 = 1. Therefore, the sum of the roots is 1.

For a quadratic equation, the sum of its roots is -b/a. This relation holds whether the roots are real or complex. In z^2 - z + 2 = 0, the coefficients give a = 1 and b = -1, so the sum of the roots is -(-1)/1 = 1. Therefore, the sum of the roots is 1.