Math, asked by rushikeshsurse143, 5 hours ago

find if x-1 is the root of x²-3x-4=0

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Answered by rishabhyadavir0102

1

Answer: Yes, it is. f(- 1) = (- 1)² - 3(- 1) - 4 = 1 + 3 - 4 = 0 ⇒ x = - 1 is a root of given quadratic equation.

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