The number of real solutions of the equation x2−x+3+(910)x=0 is
A
2
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B
0
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C
1
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D
none of these
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Solution
The correct option is B0 Let f(x)=x2−x+3 D=1−12=−11<0 So, f(x)>0 for all x∈R Also, (910)x>0 for all x∈R Thus, L.H.S. of the given equation is always positive. Hence, there is no solution.