MCQs of Determinants

Showing 31 to 36 out of 36 Questions

31.

|\begin{matrix} 1 & 1 & 1 \\ 4 & 3 & 5 \\ 4^{2} & 3^{2} & 5^{2} \end{matrix}| =_____

32.

|\begin{matrix} 1 & 5 & 41 \\ 7 & 9 & 79 \\ 5 & 3 & 29 \end{matrix}| =_____

33.

|\begin{matrix} 1! & 2! & 3! \\ 2! & 3! & 4! \\ 3! & 4! & 5! \end{matrix}| =_____

34.

if |\begin{matrix} x & 1 & 1 \\ - 1 & x & 1 \\ - 1 & - 1 & x \end{matrix}| = 0, then x =_____

35.

if |\begin{matrix} 1 & 2 & 1 \\ 2 & - x & 2 \\ - 3 & - 3 & x \end{matrix}| = 0, then x =_____

36.

|\begin{matrix} c o s (α + β) & - s i n (α + β) & c o s 2 β \\ s i n α & c o s α & s i n β \\ - c o s α & s i n α & c o s β \end{matrix}| is_____

Showing 31 to 36 out of 36 Questions