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if f(x)=sqrt(sec^(-1)((2-modx)/4)) what is the domain of f(x)
if f(x)=sqrt(sec^(-1)((2-modx)/4)) what is the domain of f(x)
1 Answer
ALEKHYA KAKI
sec^-1 doesnt lie between -1 &1. So 2-modX/4 must be in that range.X lies between6 &+INFINITY AND -6&-INFINITY.But anything undr root must be +.hence every value above mentioned works out
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