Q. 1 D4.3( 15 Votes )
Find the distance between the following pairs of points:
(2, –1, 3) and (–2, 1, 3).
Answer :
Let P be (2, – 1, 3) and Q be (– 2, 1, 3)
Distance PQ 
Here,
x1 = 2, y1 = – 1, z1 = 3
x2 = – 2, y2 = 1, z2 = 3
Distance PQ 
Thus, the required distance is 
units.
Rate this question :
Introduction To Cell Division60 mins
Introduction to Rotation & Torque37 mins
Introduction to Ionic Equilibrium48 mins
Introduction to Thermodynamics63 mins
Introduction to Chemical Bonding63 mins
Introduction to Geometrical Isomerism57 mins
Know All About Centroid of Triangle & its Properties56 mins
Introduction to free body diagrams49 mins
Introduction to moment of inertia39 mins
Everything you need to know about Orthocentre46 mins
Determine the point on yz-plane which is equidistant from points A(2, 0, 3), B(0, 3, 2) and C(0, 0, 1).
RD Sharma - MathematicsThe length of the perpendicular drawn from the point P(a, b, c) from z-axis is
RD Sharma - MathematicsLet (3, 4, -1) and (-1, 2, 3) be the endpoints of a diameter of a sphere. Then, the radius of the sphere is equal to
RD Sharma - MathematicsThe length of the perpendicular drawn from the point P(3, 4, 5) on the y-axis is
RD Sharma - MathematicsIf P (0, 1, 2), Q(4, -2, 1) and O(0, 0, 0) are three points, then ∠POQ =
RD Sharma - MathematicsShow that the triangle ABC with vertices A (0, 4, 1), B (2, 3, – 1) and C (4, 5, 0) is right angled.
Mathematics - ExemplarWrite the length of the perpendicular drawn from the point P(3, 5, 12) on the x-axis.
RD Sharma - MathematicsIf the distance between the points P(a, 2, 1) and Q(1, -1, 1) is 5 units, find the value of a.
RD Sharma - MathematicsFind the point on y-axis which is at a distance of 
units from the point (1, 2, 3).
Find the point on x-axis which is equidistant from the points A(3, 2, 2) and B(5, 5, 4).
RD Sharma - Mathematics