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Determinants Free Doubts and Solutions

CBSE - XII Science - Mathematics - Determinants

if x+y+z=0, prove that

Asked by sourabh7jain 23rd June 2016, 12:23 PM
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CBSE - XII Science - Mathematics - Determinants

 
Ques:

Asked by sourabh7jain 16th June 2016, 5:17 PM
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CBSE - XII Science - Mathematics - Determinants

solve the following system of equation by matrix method 
1)x+y+z=6,x-y-z=-4,x+2y-2z=-1
2)x-y+3z=10,x-y-z=-2,2x+3y+4z=4
3)x+y+z=6,x-2y+3z=6,x-y+z=2
4)2x+y+2z=5,x-y-z=0,x+2y+3z=5
5)x+2y+3z=2,2x+3y+z=-1,x-y-z=-2

Asked by geethapai2004 19th April 2016, 9:35 PM
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CBSE - XII Science - Mathematics - Determinants

what is the diff.

Asked by singhdivyanshu633 1st February 2016, 5:40 PM
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CBSE - XII Science - Mathematics - Determinants

What is the answer?? 

Asked by raginee311 26th November 2015, 1:57 PM
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CBSE - XII Science - Mathematics - Determinants

f 20+15+9+6=50 then why (50-20)30+(30-15)15+(15-9)6+(6-6)0=51?

Asked by anuragkumar 23rd January 2015, 12:54 AM
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CBSE - XII Science - Mathematics - Determinants

Prove that       x+y        x     x
                      5x+4y    4x   2x = x^3
                      10x+8y  8x   3x

Asked by Jerrin Thomas 16th January 2015, 12:29 PM
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CBSE - XII Science - Mathematics - Determinants

open vertical bar table row cell x plus 4 end cell cell 2 x end cell cell 2 x end cell row cell 2 x end cell cell x plus 4 end cell cell 2 x end cell row cell 2 x end cell cell 2 x end cell cell x plus 4 end cell end table close vertical bar space equals space left parenthesis 5 x plus 4 right parenthesis left parenthesis 4 minus x right parenthesis squared using property...prove it.

Asked by Lochana Jayachandran 5th October 2014, 7:26 PM
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CBSE - XII Science - Mathematics - Determinants

if  |p b c|

    |a q c|

   |a b r |  please consider this as a  determinant of order (3x3)

prove p/p-a + q/q-b + r/r-c = 2

Asked by PriyaAnk ShaRma 18th April 2014, 8:19 PM
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CBSE - XII Science - Mathematics - Determinants


1)   
2)   
3)   
4)   

Asked by NIKHIL 14th April 2014, 4:50 PM
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