Advertisements
Advertisements
प्रश्न
The cofactor of –7 in the determinant `|(2,-3,5),(6,0,4),(1,5,-7)|` is
विकल्प
-18
18
-7
7
MCQ
उत्तर
18
shaalaa.com
Determinants
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Without expanding evaluate the following determinant:
`|(2, 7, 65),(3, 8, 75),(5, 9, 86)|`
Find |AB| if A = `[(3,-1),(2,1)]` and B = `[(3,0),(1,-2)]`
Show that `|(0,ab^2,ac^2),(a^2b,0,bc^2),(a^2c,b^2c,0)| = 2a^3b^3c^3`
Evaluate the following determinant:
`|(3,-5,2),(1,8,9),(3,7,0)|`
Evaluate the following determinants:
`|(1, i, 3),(i^3, 2, 5),(3, 2, i^4)|`
Evaluate the following determinant :
`|(4,7),(-7,0)|`
Without expanding evaluate the following determinant.
`|(1,a,a+c),(1,b,c+a),(1,c,a+b)|`
Evaluate the following determinant.
`|(3,-5,2),(1,8,9),(3,7,0)|`
Find the value of x if `|(x,-1,2),(2x,1,-3),(3,-4,5)|` = 29
Evaluate the following determinant:
`|(4, 7), (-7, 0)|`
