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प्रश्न
The roots of the equation 2x2 – 6x + 7 = 0 are ______.
पर्याय
real, unequal and rational
real, unequal and irrational
real and equal
imaginary
MCQ
रिकाम्या जागा भरा
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उत्तर
The roots of the equation 2x2 – 6x + 7 = 0 are imaginary.
Explanation:
∵ D = (b2 – 4ac)
= (–6)2 – 4 × 2 × 7
= 36 – 56
= –20 < 0
Thus, the roots of the equation are imaginary.
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