find the zeros of polynomial p(x) = x² - 7x +10. verify relationship between zero and coefficients
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Answer:
Step-by-step explanation:
x^2 - 7x + 10 = 0
⇒a = 1 b = -7 c = 10
x^2 - 7x + 10 = 0
x^2 - 2x - 5x + 10 = 0
x(x - 2) - 5(x - 2) = 0
(x - 2)(x - 5) = 0
x - 2 = 0 OR x - 5 = 0
x = 2 OR x = 5
Let,
α = 2 AND β = 5
Now,
α + β = -b/a
2 + 5 = -(-7)/1
7 = 7
α.β = c/a
2(5) = 10/1
10 = 10
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