Study the statements carefully. Statement I: Both the roots of the equation x2−x+1=0 are real. Statement II: The roots of the equation ax2+bx+c=0 are real if and only if b2−4ac≥0. Which of the following options hold?
A
Both Statement I and Statement II are true
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B
Both Statement I and Statement II are false
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C
Statement I is true and Statement II is false
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D
Statement I is false and Statement II is true
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Solution
The correct option is D Statement I is false and Statement II is true As we know condition for the roots to be real is b2−4ac≥0
so as doing for the statement 1 we are getting (−1)2−4∗1∗1=(−3) which is less than 0 so the roots will be unequal so statement 1 is false and statement 2 gives the right condition so its true.