Home
Class 12
MATHS
If the lines x = 1 + s, y = - 3...

If the lines ` x = 1 + s, y = - 3 - lamda s , z = 1 + lamda s and x = ( t ) / ( s ) , y = 1 + t , z = 2 - t ` are coplanar, then ` lamda ` is equal to

A

2

B

`-2`

C

0

D

1

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PAIR OF STRAIGHT LINES

    NIKITA PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|276 Videos

  • PROBABILITY DISTRIBUTION

    NIKITA PUBLICATION|Exercise MCQs|127 Videos

Similar Questions

Explore conceptually related problems

If the straight lines x=-1+s,y=3-lambda s,z=1+lambda s and x=(t)/(2),y=1+t,z=2-t with paramerters s and t, respectivley,are coplanar,then find lambda

If the straight lines x=1+s,y=-3-lambda s,z=1+lambdas and x=(1)/(2),y=1+t,z=2-t ,with parameters s and t respectively,are co-planar then lambda .Equals

If the straighat lines x=1+s,y=-3-lamdas,z=1+lamdas and x=t/2,y=1+t,z=2-t with parameters s and t respectively, are coplanar, then lamda equals (A) -1/2 (B) -1 (C) -2 (D) 0

If u = x^(2) + y^(2) " and " x = s + 3t, y = 2s - t , " then " (d^(2) u)/(ds^(2)) is equal to

If the point A ( lamda , 5 , -2) lies on the line (x + 1)/(7) = ( y + 1)/(- 6) = ( z + 1)/(1) , then the value of lamda is

If the lines (1 -x )/(3) = ( 7y - 14)/(2 lamda) = (z - 3)/(2) "and" (7 - 7x)/(3lamda) = (y - 5)/(1) = ( 6 - z ) /(5) are at right angle, then the value of lamda is

The line x - b + lamda. y = 0 cuts the parabola y^2 = 4ax (a>0) at P(t1) & Q(t2). If b in [2a, 4a] then range of t_1t_2 where lamda in R, is

NIKITA PUBLICATION-PLANE-MULTIOLE CHOICE QUESTIONS
  1. Show that the lines (x+3)/(-3) = (y-1)/1 = (z-5)/5 and (x+1)/ (-1) = (...

    Text Solution

    |

  2. दर्शाइए कि रेखाएँ " " (x - a + d )/(alpha - delta) = ...

    Text Solution

    |

  3. If the lines x = 1 + s, y = - 3 - lamda s , z = 1 + la...

    Text Solution

    |

  4. Find the distance of the point hati + 2hatj - hatk from the plane barr...

    Text Solution

    |

  5. Find the distance of the point 2hati + hatj + hatk) from the plane bar...

    Text Solution

    |

  6. If p(1) and p(2) are the lengths of perpendiculars from the points hat...

    Text Solution

    |

  7. If the points (1,1,p) and (-3,0,1) be equidistant from the plane vecr....

    Text Solution

    |

  8. If the line barr=(hati+hatj)+lamda(2hati+hatj+4hatk) is parallel to th...

    Text Solution

    |

  9. The distance of point (2,-1,0) from the plane 2x+y+2z+8=0 is

    Text Solution

    |

  10. Show that the points (-3,0,1) and (1,1,1) are equidistant from the pla...

    Text Solution

    |

  11. If d(1)andd(2) are the distances of points (2 ,3 ,4 ) and (1 , 1 ,4 ...

    Text Solution

    |

  12. Find the equations of the planes parallel to the plane x - 2y + 2z -4 ...

    Text Solution

    |

  13. Find the equations of the plane parallel to the plane x + 2y + 2z + 8 ...

    Text Solution

    |

  14. If the distance of the point (1,1,1) from the origin is half its dista...

    Text Solution

    |

  15. If the perpendicular distance of point A other than origin from the pl...

    Text Solution

    |

  16. The plane ax+by+cz=105 contain the lines 2x-y+z=3and3x+y+z=5 . If po...

    Text Solution

    |

  17. Which of the following is correct?

    Text Solution

    |

  18. The equation of a plane which cuts equal intercepts of unit length on ...

    Text Solution

    |

  19. If the plane x- 3y +5z= d passes through the point (1, 2, 4), then the...

    Text Solution

    |

  20. If a plane meets the co-ordinate axes in A ,B , C such that the centr...

    Text Solution

    |