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CBSE Guess > Papers > Important Questions > Class XII > 2011 > Maths > Maths By Ashok Khugshal
CBSE CLASS XII
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Assignment
Page 2 of 3
- Usining properties of determinants,prove that:
![](../images/ashok20.gif)
- If
![](../images/ashok19.gif)
- Using properties ,prove that:
![](../images/ashok21.gif)
- If A =
, Using principle of mathematically induction prove that
![](../images/ashok23.gif)
- Using properties of determinants,prove that
![](../images/ashok24.gif)
- If
A= , B = , c = Find a matrix D such that CD-AB=0.
- Let
,Verify that .
- If
,find k so that A-1 = KA - 2I.
- Find X and Y if
![](../images/ashok29.gif)
- If
![](../images/ashok31.gif)
- Find B if
![](../images/ashok32.gif)
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Submitted By Ashok Khugshal
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