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5. continuity and differentiation — Maths STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceMaths5. continuity and differentiation1 Mark
MCQ
If $y ={e^{\sqrt x }} + {e^{ - \sqrt x }}$ then $\frac{{dy}}{{dx}}$ equals
  • A
    $\frac{{{e^{\sqrt x }} - {e^{ - \sqrt x }}}}{{2\sqrt x }}$
  • B
    $\frac{{{e^{\sqrt x }} - {e^{ - \sqrt x }}}}{{2x}}$
  • C
    $\frac{1}{{2\sqrt x }}\sqrt {{y^2} - 4}$
  • ✓
    $(a)$ and $(c)$
✓

Answer

Correct option: D.
$(a)$ and $(c)$
d

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