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Limits Continuity and Differentiability question

2021 · 26 Feb · Shift 2 · Q35
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  5. /2021 · 26 Feb · Shift 2 · Q35

Limits Continuity and Differentiability question

2021 · 26 Feb · Shift 2 · Q35

JEE MainMathematicsLimits Continuity and DifferentiabilityMCQ+4 / −1
Let f(x)=sin⁡−1xf(x) = {\sin ^{ - 1}}xf(x)=sin−1x and g(x)=x2−x−22x2−x−6g(x) = {{{x^2} - x - 2} \over {2{x^2} - x - 6}}g(x)=2x2−x−6x2−x−2​. If g(2)=lim⁡x→2g(x)g(2) = \mathop {\lim }\limits_{x \to 2} g(x)g(2)=x→2lim​g(x), then the domain of the function fog is :
  1. A
    (−∞,−2]∪[−43,∞)( - \infty , - 2] \cup \left[ { - {4 \over 3},\infty } \right)(−∞,−2]∪[−34​,∞)
  2. B
    (−∞,−2]∪[−1,∞)( - \infty , - 2] \cup [ - 1,\infty )(−∞,−2]∪[−1,∞)
  3. C
    (−∞,−2]∪[−32,∞)( - \infty , - 2] \cup \left[ { - {3 \over 2},\infty } \right)(−∞,−2]∪[−23​,∞)
  4. D
    (−∞,−1]∪[2,∞)( - \infty , - 1] \cup [2,\infty )(−∞,−1]∪[2,∞)
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