Question

# Using the factor theorem it is found that a + b, b + c and c + a are three factors of the determinant $\left|\begin{array}{ccc}-2a& a+b& a+c\\ b+a& -2b& b+c\\ c+a& c+b& -2c\end{array}\right|$ The other factor in the value of the determinant is (a) 4 (b) 2 (c) a + b + c (d) none of these

Solution

## (a) 4 MathematicsRD Sharma XII Vol 1 (2015)Standard XII

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