the quadratic equation whose one rational rootis3+√2 is
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Answer:
x² - 6x + 7
Step-by-step explanation:
For quadratic equation, if one root is 3 + √2
then the other will be 3 - √2
∴ Product of roots = (3 + √2)(3 - √2) = 9 - 3√2 + 3√2 - 2 = 7
∴ Sum of roots = (3 + √2) + (3 - √2) = 6
quadratic equation = x² - (α + β)x + αβ
= x² -(6)x + 7
= x² - 6x + 7
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