f(x) = -1, for all x>0. If f(a) = -1 and f(ab) = -1 then b = ?
f(x) = -1, for all x>0. If f(a) = -1 and f(ab) = -1 then b = ? Correct Answer 1
f(a)=-1f(ab)=-1then, ab=-1×1so f(b)=1
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Feb 20, 2025