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CBSE Class 11-science Answered

A={2i 3i}, 2i - i
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Asked by ankur08sunny | 27 May, 2020, 08:14: PM
answered-by-expert Expert Answer
Given: A = (2i 3i // 2i -i)
To find the determinant of A
open vertical bar A close vertical bar equals open vertical bar table row cell 2 i end cell cell 3 i end cell row cell 2 i end cell cell negative i end cell end table close vertical bar equals 2 i cross times open parentheses negative i close parentheses minus 3 i cross times 2 i equals negative 2 i squared minus 6 i squared equals negative 2 open parentheses negative 1 close parentheses minus 6 open parentheses negative 1 close parentheses equals 2 plus 6 equals 8
Answered by Renu Varma | 28 May, 2020, 09:57: AM

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