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The domain of definition of f(X) = `sin^(-1)(-x^(2))` isA. `[-1,1]`B. `[0,1]`C. `[-1,0]`D. `[-2,23]` |
Answer» The domain of `sin^(-1)x is [-1,1]` Therefore f(x)=`sin^(-1)(-x^(2))` is defined for all x satisfying `-1le-x^(2)le1` `rarr 1gex^(2)-1rarr 0lex^(2)le1rarrx^(2)le1rarr x^(2)-1le0` `rarr (x-1)(x+1)le0rarr-1lexle1` Hence the domain of f(X)=`sin^(-1)(-x^(2))` is [-1,1] |
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