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If sin^(-1)x+sin^(-1)y+sin^(-1)z=(pi)/(2...

If `sin^(-1)x+sin^(-1)y+sin^(-1)z=(pi)/(2)`, then the value of `x^(2)+y^(2)+z^(2)+2xyz` is equal to

A

2

B

1

C

0

D

3

Text Solution

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The correct Answer is:
B
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ML KHANNA-INVERSE CIRCULAR FUNCTIONS -Self Assessment Test
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  7. The value of cot[cos^(-1)(7/25)] is

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  17. tan^(-1)"" 1/2+tan^(-1)"" 1/3=

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  19. If 0 lt x le 1, " then " sqrt(1+x^2) [{x cos (cot^(-1)x)+sin(cot^(-1)...

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  20. The number of real solutions of tan^(-1)sqrt(x(x+1))+sin^(-1)sqrt(x^2+...

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