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Recent questions tagged Determinants
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-2a, a+b, a+c : b+a, - 2b, b+c: c+a, c+b, - 2c prove that 4(b+c)(c+a)(a+b)
asked
Apr 20
in
Class XII Maths
by
gunja
(
10
points)
determinants
+2
votes
0
answers
show that ,if determinant of this is 0 sin@(theta)=0 o 1/2
asked
Jun 15, 2018
in
Class XII Maths
by
deeps12
(
17
points)
determinants
0
votes
1
answer
The value of the determinant |x, x+y, x+2y, x+2y, x, x+y, x+y, x+2y, x|
asked
Mar 24, 2018
in
Class XII Maths
by
rahul152
(
-2,846
points)
determinants
0
votes
1
answer
If x,y,z are all different from zero and |1+x, 1, 1, 1, 1+y, 1, 1, 1, 1+z| = 0, then value of x-1 + y-1 + z-1 is
asked
Mar 24, 2018
in
Class XII Maths
by
vijay
Premium
(
532
points)
determinants
0
votes
1
answer
If A and B are invertible matrices, then which of the following is not correct ?
asked
Mar 24, 2018
in
Class XII Maths
by
vijay
Premium
(
532
points)
determinants
0
votes
1
answer
If A = [2, λ, -3, 0, 2, 5, 1, 1, 3|, then A-1 exists if
asked
Mar 24, 2018
in
Class XII Maths
by
nikita74
(
-1,025
points)
determinants
0
votes
1
answer
If f(x) = |0, x-a, x-b, x+a, 0, x-c, x+b, x+c, 0|
asked
Mar 24, 2018
in
Class XII Maths
by
nikita74
(
-1,025
points)
determinants
0
votes
1
answer
The maximum value of |1, 1, 1, 1, 1+sinθ, 1, 1+cos, 1 + 1|is (θ is real number).
asked
Mar 24, 2018
in
Class XII Maths
by
nikita74
(
-1,025
points)
determinants
0
votes
1
answer
Left(t) = |cost, t, 1, 2sint, t, 2t, sint, t, t|, then lim f(t)/t2 is equal to
asked
Mar 24, 2018
in
Class XII Maths
by
nikita74
(
-1,025
points)
determinants
0
votes
1
answer
If A,B and C are angles of a triangle, then the determinant -1, cosC, cosB, cosC, -1, cosA, cosB, cosA, -1| is equal to
asked
Mar 24, 2018
in
Class XII Maths
by
nikita74
(
-1,025
points)
determinants
0
votes
1
answer
The number of distinct real roots of |sinx, cosx, cosx, cosx, sinx, cosx, cosx, cosx, sinx| = 0 in the interval - π/4 ≤ x ≤ π/4 is
asked
Mar 24, 2018
in
Class XII Maths
by
nikita74
(
-1,025
points)
determinants
0
votes
1
answer
The determinant |b2 - ab, b - c, bc - ac, ab - a2, a - b, b2 - ab, bc - ac, c - a, ab - a2| equals
asked
Mar 24, 2018
in
Class XII Maths
by
nikita74
(
-1,025
points)
determinants
0
votes
1
answer
The area of a triangle with vertices (-3,0),(3,0) and (0,k) is 9 sq. units.
asked
Mar 24, 2018
in
Class XII Maths
by
nikita74
(
-1,025
points)
determinants
0
votes
1
answer
The value of determinant |a-b, b+c, a, b-c, c+a, b, c-a, a+b, c| is
asked
Mar 24, 2018
in
Class XII Maths
by
rahul152
(
-2,846
points)
determinants
0
votes
1
answer
If |2x, 5, 8, x||6, 2, 7, 3|, then value of x is
asked
Mar 24, 2018
in
Class XII Maths
by
rahul152
(
-2,846
points)
determinants
0
votes
1
answer
If x+y+z = 0, prove that |xa, yb, zc, yc, za, xb, zb, xc, ya| = xyz |a, b, c, c, a, b, b, c, a| .
asked
Mar 24, 2018
in
Class XII Maths
by
rahul152
(
-2,846
points)
determinants
0
votes
1
answer
Prove that |bc - a2, ca - b2, ab - c2, ca-b2, ab-c2, bc-a2, ab-c2, bc-a2, ca-b2| is divisible by a+b+c and find the quotient.
asked
Mar 24, 2018
in
Class XII Maths
by
rahul152
(
-2,846
points)
determinants
0
votes
1
answer
If a+b+c ≠ 0 and |a ,b, c, b, c, a, c, a, b| = 0, then prove that a = b = c.
asked
Mar 24, 2018
in
Class XII Maths
by
rahul152
(
-2,846
points)
determinants
0
votes
1
answer
Given A = [2,2,-4,-4,2,-4,2,-1,5] and B = [1,-1,0,2,3,4,0,1,2], then find BA and use this to solve the system of equations y + 2z = 7, x-y = 3, 2x + 3y + 4z = 17.
asked
Mar 24, 2018
in
Class XII Maths
by
rahul152
(
-2,846
points)
determinants
0
votes
1
answer
Using matrix method, solve the system of equations 3x + 2y - 2z = 3, x + 2y + 3z = 6, 2x-y + z = 2.
asked
Mar 24, 2018
in
Class XII Maths
by
rahul152
(
-2,846
points)
determinants
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