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Let f : R to [0, pi/2) be defined by f ...

Let `f : R to [0, pi/2)` be defined by `f ( x) = tan^(-1) ( 3x^(2) + 6x + a)". If " f(x)` is an onto function . then the value of a si

A

1

B

2

C

3

D

4

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The correct Answer is:
C
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ARIHANT MATHS-INVERSE TRIGONOMETRIC FUNCTIONS-Exercise (Single Option Correct Type Questions)
  1. The number of solution of the equation |tan^(-1)|x||=sqrt((x^(2)+1)^(2...

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  2. For any real number x ge 1, the expression sec^(2) ( tan^(-1)x) - ...

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  3. Let f : R to [0, pi/2) be defined by f ( x) = tan^(-1) ( 3x^(2) + 6x...

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  4. The value of expression tan^(- 1)((sqrt(2))/2)+sin^(- 1)((sqrt(5))/5)-...

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  5. The value of sec ( 2 cot^(-1) 2 + cos^(-1) . 3/5) is equal to

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  6. Which one of the following statement is meaningless ?

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  7. The vale of sec(sin^-1(sin((-50pi)/9))+cos^-1(cos(31pi)/9))

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  8. The number k is such that tan { arc tan (2) + arc tan (20 k) } = k. ...

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  9. The value of Sigma( r =2)^( infty) tan^(-1) ( 1/( r^(2) - 5r + 7)) ,...

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  10. If x = tan^(-1) 1 - cos^(-1) ( - 1/2) + sin^(-1) 1/2 , y = cos (1/2 c...

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  11. Find the value of tan^(-1)(1/2tan2A)+tan^(-1)(cotA)+tan^(-1)(cot^3A),f...

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  12. sum(n=1)^oo(tan^-1((4n)/(n^4-2n^2+2))) is equal to (A) tan ^-1 (2)+t...

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  13. Number of solutions (s) of the equations cos^(-1) ( 1-x) - 2 cos^(-...

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  14. There exists a positive real number x satisfying cos ( tan^(-1)x) = ...

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  15. The range of values of p for which the equation sin cos^(-1) ( cos( t...

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  16. Number of solutions of the equation log(10) ( sqrt(5 cos^(-1) x -1 ...

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  17. Which of the following is the solution set of the equations sin^(-1) x...

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  18. The set of values of x, satisfying the equation tan^2(sin^-1x) > 1 is ...

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  19. The solution set of equation sin^(-1) sqrt(1-x^2) + cos^(-1) x = cot^(...

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  20. The value of the angle tan^(-1) ( tan 65^(@) - 2 tan 40^(@)) in degree...

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