MCQOPTIONS
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| 1. |
If \[a,b,c\] are in A.P., then the value of \[\left| \,\begin{matrix} x+2 & x+3 & x+a \\ x+4 & x+5 & x+b \\ x+6 & x+7 & x+c \\ \end{matrix}\, \right|\] is [RPET 1999] |
| A. | \[x-(a+b+c)\] |
| B. | \[9{{x}^{2}}+a+b+c\] |
| C. | \[a+b+c\] |
| D. | 0 |
| Answer» E. | |