સમીકરણ $\left| \begin{array}{ccc} 1 & 4 & 20 \\ 1 & -2 & 5 \\ 1 & 2x & 5x^2 \end{array} \right| = 0$ ના બીજ કયા છે?

  • A
    $ -1, -2 $
  • B
    $ -1, 2 $
  • C
    $ 1, -2 $
  • D
    $ 1, 2 $

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Similar Questions

જો $\Delta=\left|\begin{array}{ccc}x-2 & 2 x-3 & 3 x-4 \\ 2 x-3 & 3 x-4 & 4 x-5 \\ 3 x-5 & 5 x-8 & 10 x-17\end{array}\right|=Ax^{3}+Bx^{2}+Cx+D$ હોય,તો $B+C$ ની કિંમત શોધો.

જો $\left|\begin{array}{ccc}2 & 2k & 1 \\ 1 & k-1 & 1 \\ 2 & 1 & k+1\end{array}\right|=Ak^2+Bk+C$ હોય, તો $A+B+C=$

જો $x$ એક ધન પૂર્ણાંક હોય,તો $\Delta = \left| \begin{array}{ccc} x! & (x+1)! & (x+2)! \\ (x+1)! & (x+2)! & (x+3)! \\ (x+2)! & (x+3)! & (x+4)! \end{array} \right|$ ની કિંમત શોધો.

Difficult
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જો તમામ $a, b, c \in R$ માટે ${a^2} + {b^2} + {c^2} + ab + bc + ca \leq 0$ હોય,તો નિશ્ચાયક $\left| {\begin{array}{*{20}{c}} {{(a + b + c)}^2} & {{a^2} + {b^2}} & 1 \\ 1 & {{(b + c + 2)}^2} & {{b^2} + {c^2}} \\ {{c^2} + {a^2}} & 1 & {{(c + a + 2)}^2} \end{array}} \right|$ નું મૂલ્ય શોધો.

Difficult
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જો $\left|\begin{array}{cc}x^3+2 x^2+3 x-2 & x^2+2 x+4 \\ x^3-x^2-2 x-1 & 3 x^3-2 x^2+4 x-2\end{array}\right| = a x^6+b x^5+c x^4+d x^3+e x^2+f x+g$ હોય,તો $a+b+c+d+e+f$ ની કિંમત શોધો.

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