We have to solve the equation: 2*ln x - 4*ln 11 = 0
We know that n*log a = log a^n
2*ln x - 4*ln 11 = 0
=> ln x - 2*ln 11 = 0
=> ln x = 2*ln 11
=> ln x = ln 11^2
taking the antilog of both the sides
x = 11^2 = 121
The required value of x is 121
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