CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Cofactor

If Δ = 5 3...

Question

If $Δ = ∣ ∣ ∣ ∣ \begin{matrix} 5 & 3 & 8 2 & 0 & 1 1 & 2 & 3 \end{matrix} ∣ ∣ ∣ ∣$ , write the cofactor of the element $a_{32}$

Open in App

Solution

Cofactor of $a_{32} = (- 1)^{3 + 2} ∣ ∣ ∣ \begin{matrix} 5 & 8 2 & 1 \end{matrix} ∣ ∣ ∣ = - (5 - 16) = 11$

Suggest Corrections

thumbs-up

0

Similar questions

A = [\begin{matrix} 5 & 3 & 8 \\ 2 & 0 & 1 \\ 1 & 2 & 3 \end{matrix}]

. Write the cofactor of the element a₃₂.

△ = ∣ ∣ ∣ ∣ \begin{matrix} 5 & 3 & 8 2 & 0 & 1 1 & 2 & 3 \end{matrix} ∣ ∣ ∣ ∣

, white the cofactor of the element

a_{32}

Q. Using cofactors of elements of second row, evaluate

Δ = ∣ ∣ ∣ ∣ \begin{matrix} 5 & 3 & 8 2 & 0 & 1 1 & 2 & 3 \end{matrix} ∣ ∣ ∣ ∣

Δ = ∣ ∣ ∣ ∣ \begin{matrix} 5 & 3 & 8 2 & 0 & 1 1 & 2 & 3 \end{matrix} ∣ ∣ ∣ ∣

, write the minor of the element

a_{23} .

A_{i j}

is the cofactor of the element

a_{i j}

of the determinant

⎡ ⎢ ⎣ \begin{matrix} 2 & - 3 & 5 6 & 0 & 4 1 & 5 & - 7 \end{matrix} ⎤ ⎥ ⎦

then write the value of

a_{32} . A_{32} .

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Evaluation of Determinants

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Standard XII Mathematics

Join BYJU'S Learning Program

CrossIcon