Matrix A=[(1,2,3),(1,1,5),(2,4,7)], then...

Matrix `A=[(1,2,3),(1,1,5),(2,4,7)]`, then the value of `a_(31)A_(31)+a_(32)A_(32)+a_(33)A_(33)` is

`-1`

`-13`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

MATRICES
TARGET PUBLICATION|Exercise EVALUATION TEST|13 Videos
MATRICES
TARGET PUBLICATION|Exercise CRITICAL THINKING (2.3 Application of matrices)|5 Videos
MATHEMATICAL LOGIC
TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos
MHT-CET 2019 QUESTION PAPER
TARGET PUBLICATION|Exercise Binomial Distribution|1 Videos

Similar Questions

Explore conceptually related problems

If A=[(1,2,1),(3,2,3),(2,1,2)] , then a_(11) A_(11)+a_(21) A_(21)+a_(31) A_(31)=

Find minors and co-factors of the elements of the determinant : |{:(2,-3,5),(6,0,4),(1,5,-7):}| and verify that a_(11)A_(31)+a_(12)A_(32)+a_(13)A_(33)=0

If matrix [(1,2,-1),(3,4,5),(2,6,7)] and its inverse is denoted by A^(-1)=[(a_(11),a_(12),a_(13)),(a_(21),a_(22),a_(23)),(a_(31),a_(32),a_(33))] value of a_(32)=

If Delta=|[a_(11),a_(12),a_(13)],[a_(21),a_(22),a_(23)],[a_(31),a_(32),a_(33)]| and A_(i j) is cofactors of a_(i j) , then value of Delta is given by A. a_(11)A_(31)+a_(12)A_(32)+a_(13)A_(33) B. a_(11)A_(11)+a_(12)A_(21)+a_(13)A_(31) C. a_(21)A_(11) + a_(22)A_(12) + a_(23)A_(13) D. a_(11)A_(11) + a_(21)A_(21) + a_(31)A_(31)

(1+x)^(5)=a_(0)+a_(1)x+a2x2+a_(3)x^(3)+a_(4)x^(4)+a_(5)x^(5) then the value of (a_(0)-a_(2)+a_(4))^(2)+(a_(1)-a_(3)+a_(5))^(2) is equal to 243 b.32 c.1 d.2^(10)

If a_(1),a_(2),a_(3),... a _(12) are in A.P. with common difference equal to ((1)/(sqrt(2))) then the value of Delta=|[a_(1)a_(5),a_(1),a_(2)],[a_(2)a_(6),a_(2),a_(3)],[a_(3)a_(7),a_(3),a_(4)]| is equal to

Let A=[a_(ij)]_(3xx3) be a matrix such that a_(ij)=(i+2j)/(2) where i,j in [1, 3] and i,j inN . If C_(ij) be a cofactor of a_(ij), then the value of a_(11)C_(21)+a_(12)C_(22)+a_(13)C_(23)+a_(21)C_(31)+a_(22)C_(32)+a_(33)C_(33)+a_(31)C_(11)+a_(32)C_(12)+a_(33)C_(13) is equal to

If a_(1)+a_(2)+a_(3)+a_(4)+a_(5)...+a_(n) for all a_(i)>0,i=1,2,3dots n. Then the maximum value of a_(1)^(2)a_(2)a_(3)a_(4)a_(5)..a_(n) is

If a_(n) is a geometric sequence with a_(1)=2 and a_(5)=18, then the value of a_(1)+a_(3)+a_(5)+a_(7) is equal to

For an increasing G.P. a_(1), a_(2), a_(3),.....a_(n), " If " a_(6) = 4a_(4), a_(9) - a_(7) = 192 , then the value of sum_(l=1)^(oo) (1)/(a_(i)) is

TARGET PUBLICATION-MATRICES-COMPETITIVE THINKING (Inverse off a matrix )

IF the inverse of the matrix [(alpha , 14,-1),(2,3,1),(6,2,3)] ...
Text Solution
|
IF A=[(1,1,0),(2,1,5),(1,2,1)],then a(11) A(21) +a(12)+a(12)A(22)+a...
Text Solution
|
Matrix A=[(1,2,3),(1,1,5),(2,4,7)], then the value of a(31)A(31)+a(32)...
Text Solution
|
If X=[[-x, -y], [z, t]], then transpose of adjX is
Text Solution
|
Let A=[(1,0,0),(5,2,0),(-1,6,1)], then the adjoint of A is
Text Solution
|
if A=[[2,-3],[-4,1]] then (3A^2+12A)=?
Text Solution
|
If A=[(1,-1,1),(0,2,-3),(2,1,0)],B=(adjA) and C=5A, then (|adjB|)/(|C|...
Text Solution
|
If A=[{:(3,2),(1,4):}], then what is A (adj A) equal to ?
Text Solution
|
If A=[(cos x, sin x),(-sin x,cos x)], then A(adj A)=
Text Solution
|
If A=[(cos alpha,sin alpha),(-sin alpha,cos alpha)] and A. adj A=[(k,...
Text Solution
|
If k is a scalar and l is a unit matrix of order 3 then adj(kl) is equ...
Text Solution
|
If x is square materix of order 3xx3 and lambda is a scalar, then adj ...
Text Solution
|
If A is a singular matrix, then adj A is a. singular b. non singula...
Text Solution
|
If d is the determinant of a square matrix A of order n , then the ...
Text Solution
|
If A={:[(4,2),(3,4)],:}" then: "|adj,A|=
Text Solution
|
For a invertible matrix A if A (adj A) =[(10,0),(0,10)] then |A...
Text Solution
|
If A is a matrix of order 3, such that A(adj A)=10I, then |adj A|=
Text Solution
|
If the adjoint of a 3 3 matrix P is 1 4 4 2 1 7 1 1 3 , then the po...
Text Solution
|
Let A be a 2xx2 matrix Statement -1 adj (adjA)=A Statement-2 abs(a...
Text Solution
|
adj AB -(adj B)(adj A) =
Text Solution
|