Q.
If x2-2x+a=0 has no solution then, where [.] represents greatest integer function,
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a
b
2≤a<∞
c
d
a∈R
answer is B.
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Detailed Solution
Case (i)x2-2x+a<0∀x∈R which not possiblecase 2x2-2x+a≥1x2-2x+a-1≥0Disc ≤04-4a-1≤02-a≤0a≥2a∈2,∞
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