MCQOPTIONS
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| 1. |
Suppose \[D=\left| \,\begin{matrix} {{a}_{1}} & {{b}_{1}} & {{c}_{1}} \\ {{a}_{2}} & {{b}_{2}} & {{c}_{2}} \\ {{a}_{3}} & {{b}_{3}} & {{c}_{3}} \\ \end{matrix}\, \right|\]and \[{D}'=\left| \,\begin{matrix} {{a}_{1}}+p{{b}_{1}} & {{b}_{1}}+q{{c}_{1}} & {{c}_{1}}+r{{a}_{1}} \\ {{a}_{2}}+p{{b}_{2}} & {{b}_{2}}+q{{c}_{2}} & {{c}_{2}}+r{{a}_{2}} \\ {{a}_{3}}+p{{b}_{3}} & {{b}_{3}}+q{{c}_{3}} & {{c}_{3}}+r{{a}_{3}} \\ \end{matrix}\, \right|\], then [Karnataka CET 1993; Pb. CET 1993] |
| A. | \[{D}'=D\] |
| B. | \[{D}'=D(1-pqr)\] |
| C. | \[{D}'=D(1+p+q+r)\] |
| D. | \[{D}'=D(1+pqr)\] |
| Answer» E. | |