Advertisements
Advertisements
Question
If Dx = 24 and x = – 3, then find the value of D
Solution
x = `"D"_x/"D"`
∴ D = `"D"_x/x`
= `24/(-3)`
= – 8
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 draw graph of 4x + 5y = 19, Find y when x = 1.
Find the value of `|(5,3),(-7,-4)|`.
Choose correct alternative for the following question.
ax + by = c and mx + ny = d and an ≠ bm then these simultaneous equations have -
Find the value of the following determinant.
Find the value of the following determinant.
`|(5, -2), (-3, 1)|`
Select the correct alternative and write it.
What is the degree of the determinant `|[a ,b],[c,d]|`
Find the value of the determinant:
`[(7/3, 5/3),(3/2, 1/2)]`
`|(3, 5),(2, x)|` = 2 ∴ x = ______
Find the value of Dx for the equation 4x + 3y = 19 and 4x − 3y = −11
For the equations y + 2x = 19 and 2x – 3y = − 3, find the value of D.
Using the determinants given below form two linear equations and solve them.
D = `|(5, 7),(2, -3)|`, Dy = `|(5, 4),(2, -10)|`
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)|`
