If x1 and x2 are the roots of the equation e2⋅xlnx=x3 with x1>x2, then
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a
x1=2x2
b
x1=x22
c
2x1=x22
d
x12=x23
answer is B.
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Detailed Solution
e2⋅xlnx=x3Taking log on both sides, we get lne2⋅xlnx=lnx3⇒ (lnx)2−3lnx+2=0⇒ (lnx−2)(lnx−1)=0 If lnx=2⇒x=e2 If lnx=1⇒x=e Since x1>x2, we get x1=e2 and x2=e⇒ x1=x22