A) \[\left( \text{a},\text{b}+\text{c} \right),\left( \text{b},\text{c}+\text{a} \right),\left( \text{c},\text{a}+\text{b} \right)\]and \[abc\]
B) \[~{{\text{a}}^{\text{2}}}+{{\text{b}}^{\text{2}}}+{{\text{c}}^{\text{2}}}\] and \[\text{ab}+\text{bc}+\text{ca}\]
C) \[y=2x+c\] and \[x+2y=3,3x+4y=7,2x+3y=4\]
D) \[4x+5y=6\] and y \[xy=0\]
Correct Answer: B
Solution :
Equation of its diagonal is\[4x+y=13\]and \[4y=x-7\]You need to login to perform this action.
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