The roots of x2-8 x-12-0- are

The correct option is D real and unequalx2 – 8x + 12 = 0 Here a = 1, b = 8 and c = 12 b2 – 4ac = ( 8)2 – 4112 = 64 – 48 = 16 Since, b2 – 4ac gt; 0, so it h ...

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Standard X

Mathematics

Nature of Roots

The roots of ...

Question

The roots of x² - 8x + 12 = 0, are

real and equal

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x = 0

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no real roots

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real and unequal

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Solution

The correct option is D
real and unequal

x² – 8x + 12 = 0
Here a = 1, b = -8 and c = 12
b² – 4ac
= (-8)² – 4112
= 64 – 48 = 16
Since, b² – 4ac > 0, so it has real and distinct roots

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The roots of x2 - 8x + 12 = 0, are

The correct option is D real and unequalx2 – 8x + 12 = 0 Here a = 1, b = -8 and c = 12 b2 – 4ac = (-8)2 – 4112 = 64 – 48 = 16 Since, b2 – 4ac > 0, so it has real and distinct roots

The roots of x² - 8x + 12 = 0, are

The correct option is D
real and unequal

x² – 8x + 12 = 0
Here a = 1, b = -8 and c = 12
b² – 4ac
= (-8)² – 4112
= 64 – 48 = 16
Since, b² – 4ac > 0, so it has real and distinct roots