AP EAMCET · Maths · Matrices
The trace of the matrix is
- A
- B
- C
- D
Answer & Solution
Correct Answer
(A)
Step-by-step Solution
Detailed explanation
Given, A=1-570791189. To find : trace of matrix Now, We know that, Trace of matrix trA=sum of diagonal elements. ⇒trA=a11+a22+a33 ⇒trA=1+7+9=17. Hence, trace of matrix is 17.
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