English

Answer the following question: Evaluate |2-57521902| - Mathematics and Statistics

Advertisements
Advertisements

Question

Answer the following question:

Evaluate `|(2, -5, 7),(5, 2, 1),(9, 0, 2)|`

Sum
Advertisements

Solution

`|(2, -5, 7),(5, 2, 1),(9, 0, 2)|`

= `2|(2, 1),(0, 2)| - ( - 5)|(5, 1),(9, 2)| + 7|(5, 2),(9, 0)|`

= 2(4 – 0) + 5(10 – 9) + 7(0 – 18)

= 8 + 5 – 126

= – 113.

shaalaa.com
Definition and Expansion of Determinants
  Is there an error in this question or solution?
Chapter 4: Determinants and Matrices - Miscellaneous Exercise 4(A) [Page 76]

APPEARS IN

Balbharati Mathematics and Statistics 1 (Arts and Science) [English] Standard 11 Maharashtra State Board
Chapter 4 Determinants and Matrices
Miscellaneous Exercise 4(A) | Q II. (1) (i) | Page 76
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×