allerySolve by factorisation: x^2 - 5x + 6 = 0. Roots are
A2 and 3
B1 and 6
C-2 and -3
D-1 and -6
Answer & Solution
Correct answer: A. 2 and 3
1. Factor x^2 - 5x + 6 as (x - 2)(x - 3).
2. Set each factor equal to zero.
3. x = 2 or x = 3.
4. Roots are 2 and 3.
_Source: Selina Concise Mathematics Class 10, Ch 5 Quadratic Equations (Mistral OCR'd PDF), section on factorisation_
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