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1.Relation and Function
normal
વિધેય $f(x) = \sqrt {2 - {{\sec }^{ - 1}}x} $ નો પ્રદેશગણ ..... છે.
A
$\left( { - \infty , - 1} \right] \cup \left[ {1,\infty } \right)$
B
$\left( { - \infty , - 1} \right] \cup \left[ {\sec 1,\infty } \right)$
C
$\left( { - \infty ,\sec 2} \right] \cup \left[ {1,\infty } \right)$
D
$\left( { - \infty ,\sec 2} \right] \cup \left[ {\sec 1,\infty } \right)$
Solution
Standard 12
Mathematics
