WBJEE · Maths · Determinants
If \(\Delta(x)=\left|\begin{array}{ccc}x-2 & (x-1)^2 & x^3 \\ x-1 & x^2 & (x+1)^3 \\ x & (x+1)^2 & (x+2)^3\end{array}\right|\), then coefficient of \(x\) in \(\Delta(x)\) is
- A 2
- B -2
- C 3
- D -4
Answer & Solution
Correct Answer
(B) -2
Step-by-step Solution
Detailed explanation
co-eff of \(x\) in \(\Delta(x)=\frac{\Delta^{\prime}(0)}{1 !}=-2\)
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