If `0lt0ltpi/2" and "|{:(1+sin^(2)theta,cos^(2)theta,4sin4theta),(sin^(2)theta,1+cos^(2)theta,4sintheta),(sin^(2)theta

If `0lt0ltpi/2" and "|{:(1+sin^(2)theta,cos^(2)theta,4sin4theta),(sin^(2)theta,1+cos^(2)theta,4sintheta),(sin^(2)theta,cos^(2)theta,1+4sintheta):}|=,"then "theta=`
A. `pi/24,(5pi)/(24)`
B. `(5pi)/24,(7pi)/24`
C. `(7pi)/24,(11pi)/(24)`
D. None of these

If `0lt0ltpi/2" and "|{:(1+sin^(2)theta,cos^(2)theta,4sin4theta),(sin^(2)theta,1+cos^(2)theta,4sintheta),(sin^(2)theta,cos^(2)theta,1+4sintheta):}|=,"

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