$\left| \begin{array}{ccc} a & a + b & a + 2b \\ a + 2b & a & a + b \\ a + b & a + 2b & a \end{array} \right|$ નું મૂલ્ય શોધો.

  • A
    $9a^2(a + b)$
  • B
    $9b^2(a + b)$
  • C
    $a^2(a + b)$
  • D
    $b^2(a + b)$

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Similar Questions

જો $\left|\begin{array}{cc}\sin ^2 \theta & \cos ^2 \theta \\ -\cos ^2 \theta & \sin ^2 \theta\end{array}\right| = $ . . . . . . .

જો $ax^4+bx^3+cx^2+50x+d = \begin{vmatrix} x^3-14x^2 & -x & 3x+\lambda \\ 4x+1 & 3x & x-4 \\ -3 & 4 & 0 \end{vmatrix}$ હોય,તો $\lambda$ શોધો.

$\begin{vmatrix} \cos^2\theta & -\sin^2\theta \\ \sin^2\theta & \cos^2\theta \end{vmatrix} = \dots$

જો $(2, 6)$,$(5, 4)$ અને $(k, 4)$ શિરોબિંદુઓ ધરાવતા ત્રિકોણનું ક્ષેત્રફળ $35$ ચોરસ એકમ હોય,તો $k = \text{ . . . . . . }$.

જો $60 \hat{i}+3 \hat{j}$,$40 \hat{i}-8 \hat{j}$ અને $a \hat{i}-52 \hat{j}$ સ્થાન સદિશો ધરાવતા બિંદુઓ સમરેખ હોય,તો $a$ ની કિંમત શોધો.

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