Integral Calculus & Area · JEE Main previous year questions

2009 1 question

1. Q132009 · 27 Apr 2009 · Shift 1

   Let $a,b,c$ be such that $b(a+c)\ne 0$ if $$\left|\begin{array}{ccc}a& a+1& a-1\\ -b& b+1& b-1\\ c& c-1& c+1\end{array}\right|+\left|\begin{array}{ccc}a+1& b+1& c-1\\ a-1& b-1& c+1\\ (-1{)}^{n+2}a& (-1{)}^{n+1}b& (-1{)}^{n}c\end{array}\right|=0$$ then the value of $n$ :

   1. A.any even integer
   2. B.any odd integer
   3. C.any integer
   4. D.zero
   Show answer

   Answer: B