નિશ્ચાયકનું મૂલ્ય શોધો: $\left| \begin{array}{ccc} 1/a & 1 & bc \\ 1/b & 1 & ca \\ 1/c & 1 & ab \end{array} \right|$

  • A
    $0$
  • B
    $abc$
  • C
    $1/abc$
  • D
    આમાંથી કોઈ નહીં

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નિશ્ચાયકનું મૂલ્ય શોધો: $\left| \begin{array}{ccc} a_1 & m a_1 & b_1 \\ a_2 & m a_2 & b_2 \\ a_3 & m a_3 & b_3 \end{array} \right|$

જો ${I_1} = \int\limits_1^{\sin \theta } {\frac{x}{{1 + x^2}}} \,dx$ અને ${I_2} = \int\limits_1^{\csc \theta } {\frac{{dx}}{{x\left( {{x^2} + 1} \right)}}}$; તો $\left| {\begin{array}{*{20}{c}} {{I_1}}&{I_1^2}&{{I_2}} \\ {{e^{{I_1} + {I_2}}}}&{I_2^2}&{ - 1} \\ 1&{I_1^2 + I_2^2}&{ - 1} \end{array}} \right|$ નું મૂલ્ય શોધો.

$\left| \begin{matrix} \sin \alpha & \cos \alpha & \sin(\alpha + \gamma) \\ \sin \beta & \cos \beta & \sin(\beta + \gamma) \\ \sin \delta & \cos \delta & \sin(\delta + \gamma) \end{matrix} \right|$ નું મૂલ્ય શું છે?

જો $a_{n} (>0)$ એ $G$.$P$. (ગુણોત્તર શ્રેણી) નું $n$-મું પદ હોય, તો નિશ્ચાયક $\left|\begin{array}{lll}\log a_{n} & \log a_{n+1} & \log a_{n+2} \\ \log a_{n+3} & \log a_{n+4} & \log a_{n+5} \\ \log a_{n+6} & \log a_{n+7} & \log a_{n+8}\end{array}\right|$ ની કિંમત કેટલી થાય?

જો $a \ne p, b \ne q, c \ne r$ અને $\begin{vmatrix} p & b & c \\ p + a & q + b & 2c \\ a & b & r \end{vmatrix} = 0$ હોય,તો $\frac{p}{p - a} + \frac{q}{q - b} + \frac{r}{r - c} = $

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