Ask a Doubt

Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 12-science Answered

how to solve equation by cross multiplication method

Asked by Anshul Kansal | 25 May, 2013, 04:32: PM

Expert Answer

Lets consider the general form of a pair of linear equations.

solution to pair of linear equations, algebraic methods, Elimination method

, and

. Recall that when

divided by

is not equal to

divided by

, the pair of linear equations will have a unique solution.
To solve this pair of equations for

and

using cross-multiplication, well arrange the variables

and

and their coefficients

,

,

and

, and the constants

and

as shown below

solution to pair of linear equations, algebraic methods, Cross - multiplication method

non linear equations, solving non-linear equations , solution of non-linear equations

non linear equations, solving non-linear equations , solution of non-linear equations

Answered by | 25 May, 2013, 10:19: PM

Concept Videos

Cartesian equation of a line

This video covers examples related to Equation of a line in space, Vector a...
Skew Lines

This video explains how to calculate angle, shortest distance between two l...
Equation of a Plane

This video explains the equation of a plane in normal form, perpendicular t...
Intercept Form and Family of Planes

This video explains the equation of a plane through 3 non-collinear points,...
Co-planarity of two lines

Co-planarity of two lines, angle between two planes & between a line and a ...

Practice Test

Answered Unanswered My Questions My Answers

CBSE 12-science - Maths

question no 24

question image

Asked by shubh31122006 | 01 Feb, 2024, 09:06: AM

ANSWERED BY EXPERT

CBSE 12-science - Maths

solve it

question image

Asked by sdmbotch1123 | 23 Sep, 2023, 06:51: PM

ANSWERED BY EXPERT

CBSE 12-science - Maths

Distance between two parallel planes 2x+y+2z=9 and 4x+2y+4z+5=0

Asked by kishanradha7392 | 05 Jul, 2022, 04:26: PM

ANSWERED BY EXPERT

CBSE 12-science - Maths

Two lines given- L₁: x+1/3 = y-3/-2 = z+2/-1 L₂: x/-1=y-7/3=z+7/-2 Find the point of intersection of the lines L₁ and L₂.

Asked by suman.sh01 | 07 Jun, 2022, 07:22: PM

ANSWERED BY EXPERT

CBSE 12-science - Maths

Find the angle between two lines whose directions cosines are given by l+m+n=0 and l^2+m^2-n^2=0.[**WITHOUT USING THEOREMS OF VECTOR**]

Asked by arjunsah797 | 02 May, 2022, 09:30: AM

ANSWERED BY EXPERT

CBSE 12-science - Maths

Distance of a point 1,0,-3 from the planex-y-z measured parllel to the line x-2/2=y+2/3=z-6/-6

Asked by Madhureddymamilla | 06 Jan, 2020, 01:11: PM

ANSWERED BY EXPERT

CBSE 12-science - Maths

Pl ans

question image

Asked by jain.pradeep | 03 Dec, 2019, 06:18: PM

ANSWERED BY EXPERT

CBSE 12-science - Maths

The value of direction cosine of two straight lines can satisfy the two equation, 3l+m+5n=0 & 6mn-2nl+5lm=0 . Find the angle between those lines.

Asked by rsjkumar2003 | 23 Sep, 2019, 01:09: PM

ANSWERED BY EXPERT

CBSE 12-science - Maths

prove that vectors -2i -2j+4k , -2i+4j -2k , 4i -2j -2k are coplanar ?

Asked by harshgarg18012003 | 26 Jun, 2019, 09:11: PM

ANSWERED BY EXPERT

CBSE 12-science - Maths

A vertical line l passes through the point (2,3). A horizontal line m passes through the point (-1,6). At what coordinate points do l and m intersect?

Asked by tv2000in | 25 May, 2019, 06:25: PM

ANSWERED BY EXPERT

My Class Videos Tests Plans Ask a Doubt

Get Latest Study Material for Academic year 24-25 Click here

×