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If a+b+c is not equal to …

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If a+b+c is not equal to 0 and [a b c ],[ b c a ],[c a b] is equal to 0 , then using properties of determinants , prove that a= b= c.

    • Posted by Akash Saini Saini 7 years, 8 months ago

    CBSE > Class 12 > Mathematics
    • 1 answers

    Akshara Nair 7 years, 8 months ago

    1) r1--> r1+r2+r3 2)take a+b+c out 3)expand 4) take minus common and multiply divide by 2... 5) finally you will get(a+b+c) ((a-b) ^2+(b-c)^2+(c-a)^2)) =0

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