alleryStart learning →Which factorisation holds for x²−(a+b)x+ab?
A(x+a)(x−b)
B(x+a)(x+b)
C(x−a)(x+b)
D(x−a)(x−b)
Answer & Solution
Correct answer: D. (x−a)(x−b)
The constants −a and −b have sum −(a + b) and product ab.
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