Mathematics

Factorize :
x² - (a + b)x + ab

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Given,

⇒ x² - (a + b)x + ab

⇒ x² - ax - bx + ab

⇒ x(x - a) - b(x - a)

⇒ (x - a)(x - b).

Hence, x² - (a + b)x + ab = (x - a)(x - b).

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