  
            CBSE Guess > Papers > Important Questions > Class XII > 2011 >  Maths > Maths  By  Ashok Khugshal 
            CBSE CLASS XII 
              
                
                
               
			  
		       
		            
	        Assignment 
	        Page 2 of 3 
	        
	          
	            - Usining properties of determinants,prove that:
 
               
	          
	              
               
	          
	            
	            - If
 
               
	          
	              
               
	          
	            - Using properties ,prove that: 
 
               
	          
	              
               
	          
	            - If A = 
 , Using principle of mathematically induction prove that  
               
	          
	              
               
	          
	            - Using properties of determinants,prove that 
  
                - 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 
  
	            - If 
    
	            -  Find B if 
  
	           
	            
             
	              
            Submitted By Ashok Khugshal  
Email Id : [email protected] 		   | 
          
     
           
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