यदि $AB = A$ और $BA = B$ है,तो

  • A
    $A^2B = A^2$
  • B
    $B^2A = B^2$
  • C
    $ABA = A$
  • D
    उपरोक्त सभी

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Similar Questions

यदि $\begin{bmatrix} -x & 14x & 7x \\ 0 & 1 & 0 \\ x & -4x & -2x \end{bmatrix}$ का व्युत्क्रम $\begin{bmatrix} 2 & 0 & 7 \\ 0 & 1 & 0 \\ 1 & -2 & 1 \end{bmatrix}$ है,तो $\left|\begin{array}{ccc} x & x+1 & x+2 \\ x+1 & x+2 & x+3 \\ x+2 & x+3 & x+4 \end{array}\right| = $

$A=\begin{bmatrix} 1 & 0 & 1 \\ 0 & 1 & 1 \\ 0 & 1 & 0 \end{bmatrix} \Rightarrow A^2-2A=$

मान लीजिए कि तीन आव्यूह $A = \begin{bmatrix} 2 & 1 \\ 4 & 1 \end{bmatrix}$,$B = \begin{bmatrix} 3 & 4 \\ 2 & 3 \end{bmatrix}$,और $C = \begin{bmatrix} 3 & -4 \\ -2 & 3 \end{bmatrix}$ हैं। तो $Tr(A) + Tr\left( \frac{ABC}{2} \right) + Tr\left( \frac{A(BC)^2}{4} \right) + Tr\left( \frac{A(BC)^3}{8} \right) + \dots + \infty$ का मान ज्ञात कीजिए।

यदि $A = \int\limits_1^{\sin \theta } {\frac{t}{{1 + {t^2}}}} dt$ और $B = \int\limits_1^{\csc \theta } {\frac{dt}{{t\left( {1 + {t^2}} \right)}}} $,(जहाँ $\theta \in \left( {0, \frac{\pi }{2}} \right)$),तो $\left| {\begin{array}{*{20}{c}} A & {{A^2}} & { - B} \\ {{e^{A + B}}} & {{B^2}} & { - 1} \\ 1 & {{A^2} + {B^2}} & { - 1} \end{array}} \right|$ का मान क्या है?

$f(x) = \left|\begin{array}{ccc} \sin^{2} x & 1+\cos^{2} x & \cos 2x \\ 1+\sin^{2} x & \cos^{2} x & \cos 2x \\ \sin^{2} x & \cos^{2} x & \sin 2x \end{array}\right|, x \in R$ का अधिकतम मान क्या है?

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