Home
Class 12
MATHS
tan^(-1)3 + tan^(-1) lambda = tan^(-1) {...

`tan^(-1)3 + tan^(-1) lambda = tan^(-1) {(3+ lamda)/(1- 3 lamda)}` is valid for what values of `lambda` ?
A) `lambda in (-1/3,1/3)`
B) `lambda gt (1/3)`
C) `lambda lt (1/3)`
D) all real values of `lambda`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER 2019

    XII BOARD PREVIOUS YEAR PAPER ENGLISH|Exercise Section D|2 Videos

Similar Questions

Explore conceptually related problems

lambda cos x - 3 sinx=lambda +1 is solvabel for which value of λ .

If the equation (x^(2))/( 3 - lambda) + (y^(2))/(lambda - 8) + 1 = 0 represents an ellipse, then (i) lambda lt 8 (ii) lambda gt 3 (iii) 3 lt lambda lt 8 (iv) lambda lt 3" or "lambda gt 8

The vectors 2hati-lamdahatj+3lamdahatk and (1+lamda)hati-2lamdahatj+hatk include an acute angle for (A) all values of lambda (B) lamda lt -2 and lamdagt-1/2 (C) lambda=-1/2 (D) lamdaepsilon [-2,-1/2]

lim_(lamda to 0)(int_(0)^(1) (1+x)^(lambda ) dx)^(1//lambda) Is equal to

Let alpha and beta be the values of x obtained form the equation lambda^(2) (x^(2)-x) + 2lambdax +3 =0 and if lambda_(1),lambda_(2) be the two values of lambda for which alpha and beta are connected by the relation alpha/beta + beta/alpha = 4/3 . then find the value of (lambda_(1)^(2))/(lambda_(2)) + (lambda_(2)^(2))/(lambda_(1)) and (lambda_(1)^(2))/lambda_(2)^(2) + (lambda_(2)^(2))/(lambda_(1)^(2))

int (dx)/sqrt(1-tan^2 x)=1/lambda sin^-1 (lambdasinx)+C ,then lambda=

Find the value of lambda . If the points A(-1,3,2), B(-4,2,-2) and C(5,lambda,10) are collinear.

If alpha, beta be the roots of 4x^2-17x+lambda=0, lambda in R such that 1 lt alpha lt 2 and 2 lt beta lt 3 then the number of integral values of lambda is

If the points A(lambda, 2lambda), B(3lambda,3lambda) and C(3,1) are collinear, then lambda=

The values of lambda for which the function f(x)=lambdax^3-2lambdax^2+(lambda+1)x+3lambda is increasing through out number line (a) lambda in (-3,3) (b) lambda in (-3,0) (c) lambda in (0,3) (d) lambda in (1,3)

XII BOARD PREVIOUS YEAR PAPER ENGLISH-XII Boards-All Questions
  1. A purse contains 3 silver and 6 copper coins a second purse contains 4...

    Text Solution

    |

  2. the interval in which the function f given by f(x) = x^2 e^(-x) is str...

    Text Solution

    |

  3. tan^(-1)3 + tan^(-1) lambda = tan^(-1) {(3+ lamda)/(1- 3 lamda)} is va...

    Text Solution

    |

  4. If A = [ (-3 , 2) , (1, -1)] and I = [(1,0) , (0, 1)], find the scalar...

    Text Solution

    |

  5. Amongst all open (from the top) right circular cylindrical boxes of vo...

    Text Solution

    |

  6. Find the probability distribution of the random variable x,which denot...

    Text Solution

    |

  7. If A is a non-singular square matrix of order 3 such that A^2= 3A, the...

    Text Solution

    |

  8. Find the area, lying above the x-axis and included between the circle ...

    Text Solution

    |

  9. check whether the relation R in the set N of natural numbers given by ...

    Text Solution

    |

  10. Given a skew symmetric matrix A = [ (0, a , 1),(-1, b, 1),(-1, c, 0)],...

    Text Solution

    |

  11. Using the method of integration find the area of the triangle ABC, co...

    Text Solution

    |

  12. Find the points of intersection of the line vecr = (2hati - hatj + 2h...

    Text Solution

    |

  13. Prove that tan^(-1) (1/4) + tan^(-1) (2/9) = 1/2 sin^(-1) (4/5)

    Text Solution

    |

  14. The vectors 3 hat i- hat j +2 hat k', 2 hat i+hat j + 3 hat k and hat ...

    Text Solution

    |

  15. Find : int{(x^3 + 1)/(x^3-x)}dx

    Text Solution

    |

  16. If tan^(-1)(Y/X) = log (sqrt(X^2+Y^2)) , prove that (dy/dx) = ((X+Y)/(...

    Text Solution

    |

  17. Find the shortest distance between the lines vecr = 2hati - hatj + hat...

    Text Solution

    |

  18. Find: int((tan^(3)x)/(cos^(3)x)) dx

    Text Solution

    |

  19. Solve the following differential equation: (1+ e ^(y/x)) dy + e^(y...

    Text Solution

    |

  20. Find f'(x) if f(x) = tan x^(tan x)

    Text Solution

    |