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Recent questions tagged inverse of a matrix and linear equations
+1
vote
1
answer
If 3x + 2y = 7 and 2x + 3y = 3, then x – y = _______
asked
Feb 8, 2019
in
JEE
by
kratos
algebra
class-8
jee
class-9
class-10
linear equations in two variables
inverse of a matrix and linear equations
jee mains
class-12
three dimensional geometry
+2
votes
1
answer
An equilateral triangle has each of its sides of length 6cm. If (x1, y1) ; (x2 , y2) & (x3 , y3) are its vertices,
asked
Feb 4, 2019
in
JEE
by
kratos
class-11
jee
matrices
determinants
inverse of a matrix and linear equations
jee mains
class-12
three dimensional geometry
+3
votes
1
answer
Let A(x1, y1 ), B(x2 , y2 ) and C(x3 , x3 ) are the vertices of a triangle ABC.
asked
Jan 20, 2019
in
JEE
by
kratos
cbse
class-11
jee
matrices
determinants
class-10
inverse of a matrix and linear equations
jee mains
coordinate geometry
class-12
three dimensional geometry
+2
votes
1
answer
3x+2y=4,2x-3y=7
asked
Dec 3, 2018
in
JEE
by
kratos
algebra
class-8
jee
class-9
class-10
linear equations in two variables
inverse of a matrix and linear equations
jee mains
class-12
three dimensional geometry
+3
votes
1
answer
If the system of equations ax + y + z = 0, x + by + z and x + y + cz = 0, where a, b , c ≠ 1 has a non-trivial
asked
Nov 5, 2018
in
JEE
by
kratos
jee
matrices
determinants
inverse of a matrix and linear equations
jee mains
class-12
+2
votes
1
answer
The vertices of a triangle are A(x1 , x1 tan α), B(x2 , x2 tan β) and C(x3 , x3 tan γ).
asked
Oct 25, 2018
in
JEE
by
kratos
class-11
jee
matrices
determinants
inverse of a matrix and linear equations
jee mains
class-12
sequences and series
three dimensional geometry
+3
votes
1
answer
Solve using Cramer’r rule: 5x + 7y = 3 7x + 5y = 9
asked
Oct 23, 2018
in
Class 12
by
kratos
application of matrices and determinants
determinants
inverse of a matrix and linear equations
coordinate geometry
class-12
+2
votes
1
answer
Let A = {x1, x2, …, x7} and B = {y1, y2, y3} be two sets containing seven and three distinct elements respectively.
asked
Sep 2, 2018
in
JEE
by
kratos
jee
matrices
determinants
inverse of a matrix and linear equations
jee mains
coordinate geometry
class-12
+1
vote
1
answer
What is the area of the triangle with vertices (x1, 1/x1), (x2, 1/x2), (x3, 1/x3)? a. |(x1 – x2) (x2 – x3) (x3 – x1)|
asked
Aug 13, 2018
in
Class 12
by
kratos
nda
cbse
class-11
matrices
determinants
class-10
inverse of a matrix and linear equations
coordinate geometry
class-12
three dimensional geometry
+2
votes
1
answer
If area of triangle be 35 square unit and its vertices are (2,–6), (5,4) and (k, 4) then the value of k is
asked
Aug 8, 2018
in
Class 12
by
kratos
determinants
class-12
inverse of a matrix and linear equations
determinant
+3
votes
1
answer
Area of a triangle with vertices (a,b),(x1,y1) and (x2, y2), where a, x1 and x2 are in
asked
Aug 7, 2018
in
JEE
by
kratos
cbse
class-11
jee
matrices
determinants
class-10
inverse of a matrix and linear equations
jee mains
coordinate geometry
class-12
three dimensional geometry
+1
vote
1
answer
∧° eq. for BaCl2, H2SO4 and HCI are x1, x2, and x3 * cm eq^-1 respectively.
asked
Jul 24, 2018
in
JEE
by
kratos
jee
chemical thermodynamics
measures of central tendency
class-9
inverse of a matrix and linear equations
jee mains
coordinate geometry
class-12
+2
votes
1
answer
Let A(x1 , y1), B(x2 , y2) C(x3 , y3) be vertices of triangle ABC with BC = a, AB = c, AC = b. If algebraic sum of perpendicular distances from
asked
Jun 30, 2018
in
JEE
by
kratos
cbse
class-11
jee
matrices
determinants
class-10
inverse of a matrix and linear equations
jee mains
coordinate geometry
class-12
basic of coordination system
three dimensional geometry
+3
votes
1
answer
If area of triangle is 35 sq units with vertices (2, – 6), (5, 4) and (k, 4). Then find the value of k.
asked
Apr 23, 2018
in
JEE
by
kratos
determinant
jee
matrices
inverse of a matrix and linear equations
jee mains
class-12
+3
votes
1
answer
Find the area of the triangle with vertices (2, 7), (1, 1) and (10, 8) using determinant method.
asked
Apr 16, 2018
in
Class 12
by
kratos
determinants
class-12
inverse of a matrix and linear equations
applications of matrices and determinants
+2
votes
1
answer
u200b If (i) \(A = \begin{bmatrix}cos\alpha& sin \alpha \\[0.3em] -sin \alpha & cos\alpha \\[0.3em]\end{bmatrix}\)then verify that A’ A = 1 u200b
asked
Apr 15, 2018
in
Class 12
by
kratos
matrices
class-12
inverse of a matrix and linear equations
+2
votes
1
answer
Prove that the area of the triangle formed by the tangents at (x1, y1) (x2, y2) and (x3, y3) to the parabola y^2 = 4ax
asked
Apr 10, 2018
in
JEE
by
kratos
class-11
jee
parabola
matrices
determinants
inverse of a matrix and linear equations
jee mains
class-12
+1
vote
1
answer
An equilateral triangle has each of its sides of length 6 cm. If (x1 , y1), (x2 , y2) & (x3 , y3) are its vertices,
asked
Feb 17, 2018
in
JEE
by
kratos
class-11
jee
matrices
determinants
inverse of a matrix and linear equations
jee mains
class-12
three dimensional geometry
+1
vote
1
answer
The vertices of a triangle are A(x1 , x1 tanα), B(x2 , x2 tan β) and C(x3 , x3 tanγ).
asked
Feb 9, 2018
in
JEE
by
kratos
nda
class-11
jee
matrices
determinants
inverse of a matrix and linear equations
jee mains
class-12
three dimensional geometry
+2
votes
1
answer
3x+2y=4,2x-3y=7
asked
Jan 26, 2018
in
JEE
by
kratos
algebra
class-8
jee
class-9
class-10
linear equations in two variables
inverse of a matrix and linear equations
jee mains
class-12
three dimensional geometry
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