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CBSE Class 12-science Answered

Give an example of two non zero 2x2 matrices A and B such that AB=0.
Asked by lekhakarthikeyan | 27 Dec, 2018, 02:28: AM
answered-by-expert Expert Answer
begin mathsize 16px style Consider comma space straight A equals open square brackets table row 1 cell negative 1 end cell row 3 cell negative 3 end cell end table close square brackets space and space straight B equals open square brackets table row 1 2 row 1 2 end table close square brackets AB equals open square brackets table row 1 cell negative 1 end cell row 3 cell negative 3 end cell end table close square brackets space open square brackets table row 1 2 row 1 2 end table close square brackets AB equals open square brackets table row cell 1 cross times 1 plus open parentheses negative 1 close parentheses cross times 1 end cell cell 1 cross times 2 plus open parentheses negative 1 close parentheses cross times 2 end cell row cell 3 cross times 1 plus open parentheses negative 3 close parentheses cross times 1 end cell cell 3 cross times 2 plus open parentheses negative 3 close parentheses cross times 2 end cell end table close square brackets space AB equals open square brackets table row 0 0 row 0 0 end table close square brackets space equals straight O end style
Answered by Sneha shidid | 27 Dec, 2018, 10:25: AM

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CBSE 12-science - Maths
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