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Find the domain of the following functio...

Find the domain of the following functions: `f(x)=sqrt((2/(x^2-x+1)-1/(x+1)-(2x-1)/(x^3+1)))`

A

`( - infty, 2] - {-1}`

B

`(- infty, 2)`

C

[ - 1, 2]

D

None of these

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The correct Answer is:
A
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DISHA PUBLICATION-RELATIONS AND FUNCTIONS -EXERCISE - 2
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  6. A relation R is defined in the set Z of integers as follows (x, y ) in...

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  8. The real valued function f(x)=(a^x-1)/(x^n(a^x+1)) is even, then the v...

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  10. The domain of f (x) = log (|x - 2 | - 2 | - 1) is

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  11. If f:R to R satisfies f(x+y)=f(x)+f(y), for all x, y in R and f(1)=7,...

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  12. Find the domain of the following functions: f(x)=sqrt((2/(x^2-x+1)-1/(...

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  13. Which of the following functions is even,

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  14. If f(1) = 1 and f(n + 1) = 2 f(n) + 1, if n ge 1, then f(n) is.

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  15. The range of the function f(x)= (x^2-x+1)/(x^2+x+1) where x in R, is

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  16. Verify that x sgnx=|x| |x|sgnx=x x(sgnx)(sgnx)=x

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  19. If f is any function, then (1)/(2) [ f (x) + f(-x) ] is always

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  20. The function f satisfies the functional equation 3f(x)+2f((x+59)/(x1))...

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