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यदि `x=2,y=1` और `z=-3` है तो `x^(3)+y^(3)+z^(3)-3xyz` किसके बराबर है?A. 6B. 0C. 2D. 8 |
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Answer» Correct Answer - B According to the question `x=2, y=1, z=-3` `:. x^(3)+y^(3)+z^(3)-3xyz=?` As we know that `a+b+c=0` then `a^(3)+b^(3)+c^(3)` `-3abc=0` `:. 2+1-3=0` `x^(3)+y^(3)+3^(3)-3xy=0` |
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