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प्रश्न
If the arithmetic mean of the roots of the equation x2 – 6x + 8 = 0 is ______.
रिकाम्या जागा भरा
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उत्तर
If the arithmetic mean of the roots of the equation x2 – 6x + 8 = 0 is 3.
Explanation:
For x2 – 6x + 8 = 0, the sum of the roots = `-(-6)/1 = 6`, so the arithmetic mean = `6/2` = 3.
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