Advertisements
Advertisements
Question
Find the value of `|(5,3),(-7,-4)|`.
Options
–1
–41
41
1
Solution
1
Explanation:
`|(5,3),(-7,-4)|=5xx(-4)xx-3xx(-7)`
= -20 + 21
= 1
APPEARS IN
RELATED QUESTIONS
Find the value of determinant: `|[4,-2],[3,1]|`
If the value of determinant `|[m,2],[-5,7]|`is 31, find the value of m
Choose correct alternative for the following question.
To solve x + y = 3; 3x – 2y – 4 = 0 by determinant method find D.
Find the value of the following determinant.
Find the value of the following determinant.
Select the correct alternative and write it.
What is the degree of the determinant `|[a ,b],[c,d]|`
Find the value of the determinant `[(5,2),(7,4)]`
For equations 5x + 3y + 11 = 0 and 2x + 4y = −10 find D.
Find the value of Dx for the equation 4x + 3y = 19 and 4x − 3y = −11
Solve the following to find the value of following determinant.
`|(3, -2),(4, 5)| = 3 xx square - square xx 4 = square + 8 = square`
Find the value of `|(5, 2),(0, -1)|`
For the equations y + 2x = 19 and 2x – 3y = − 3, find the value of D.
Form the simultaneous linear equations using the determinants
D = `|(4, -3),(2, 5)|`, Dx = `|(5, -3),(9, 5)|`, Dy = `|(4, 5),(2, 9)|`
Complete the activity to find the value of the determinant.
Activity: `|(2sqrt3, 9),(2, 3sqrt(3))| = 2sqrt(3) xx square - 9 xx square`
= `square` – 18
= `square`
Find the value of determinant.
`|(5/2, 11/3),(3/8, 17/12)|`