Let {px}^{3}+{qx}^{2}+{rx}+{s} =|\table x ,2 x , 3 x; x+3 , x , x ; 1-2 x , -x , x+1 | then the value of {p}+{q}+{r}+{s} equal to?

UPSC NDA Math Model Paper 7

Question : 76 of 120

Marks: +1, -0

Let px3+qx2+rx+s =|

| then the value of p+q+r+s equal to?

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