Without expanding prove that determinant

     b² c².       bc.          b+c

     c² a².       ca.          c+a

     a² b².        ab.         a+b

sir/mam this is a question4 of maths class 11 ch-10 miscellaneous exercise. Can you please tell me why my answer is not coming? And where am I going wrong in this?

• Sir can u give me another solution of class 12th chapter 7 and exercise 7.4 question number 15 in another way I can not understand this solution of questions number 15 please give another way of this question thanks and have a nice day
  

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