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19. Which of the following is equal to V-24 ?O-2iV64i 166i-1/2O21 V6

19. Which of the following is equal to V-24 ?O-2iV64i 166i-1/2O21 V6-example-1

1 Answer

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The given value is,


\sqrt[]{-24}

We can write this as,


\sqrt[]{-24}=\sqrt[]{24*-1}

As we know, 24 = 4 x 6 and,


\sqrt[]{-1}=i

the above expression can again be rewritten as,


\sqrt[]{-24*-1}=\sqrt[]{4*6}* i=2i\sqrt[]{6}

Thus, the last option is correct.

User MoeAmine
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