InterviewSolution
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InterviewSolution
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(i) If `a^(2)+b^(2)+c^(2)=20 " and" a+b+c=0, " find " ab+bc+ac`. (ii) If `a^(2)+b^(2)+c^(2)=250 " and" ab+bc+ca=3, " find" a+b+c`. (iii) If a+b+c=11 and ab+bc+ca=25, then find the value of `a^(3)+b^(3)+c^(3)-3` abc. |
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Answer» Correct Answer - `(i) -10 " " (ii) +-16 " " (iii) 506` |
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