MCQ
$\left|\begin{array}{ccc}1 & 1 & 1 \\ 4 & 3 & 5 \\ 4^2 & 3^2 & 5^2\end{array}\right|=$_______.
  • A
    $0$
  • B
    1
  • C
    2
  • $-2$

Answer

Correct option: D.
$-2$
$-2$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

ધરોકે $\vec a  = \,\,i\,\, - \,\,j,\,\,\vec b \,\, = \,\,j\,\, - \,\,k,\,\,\vec c \,\, = \,\,k\,\, - \,\,i\,$ જો $\vec d $ એકમ સદીશ હોય કે જેથી  $\vec a .\,\vec d \,\, = \,\,0\, = \,\left[ {\vec b \,\,\,\vec c \,\,\,\vec d \,} \right]$ તો  $\vec d $  મેળવો.
A pack of playing cards was found to contain only $51$ cards. If the first $13$ cards which are examined are all red, then the probability that the missing cards is black, is
$\int {\frac{{(x + 3){e^x}}}{{{{(x + 4)}^2}}}\,\,dx = \,\,} $
જો $I = {\kern 1pt} \int\limits_0^{\frac{\pi }{6}} {\frac{{\cos x}}{x}dx,J = \int\limits_{\frac{\pi }{3}}^{\frac{\pi }{2}} {\frac{{\cos x}}{x}dx.} } $ તો આપેલ પૈકી સત્ય વિધાન મેળવો.
વિકલ સમીકરણ $\sin \,2x\,\left( {\frac{{dy}}{{dx}} - \sqrt {\tan \,x} } \right) - y = 0,$ નો વ્યાપક ઉકેલ મેળવો.
$\int_{0}^{\frac{\pi}{2}} \frac{1}{3+2 \sin x+\cos x} d x$ ની કિમંત મેળવો.
$(1,5,1{0})$ બિંદુનું ૨ેખા $\frac{x+2}{3}=\frac{y-1}{4}=\frac{z+2}{12} $ અને સમતલ $x + y - z - 1 = {0}$ ના છેદબિંદુથી અંત૨ $ .......... .$
If $A$ and $B$ are two events such that $P\,(A) = \frac{1}{3}$, $P\,(B) = \frac{1}{4}$ and $P\,(A \cap B) = \frac{1}{5},$ then $P\,\left( {\frac{{\overline B}}{{\overline A}}} \right) = $
$\tan \left[ {2{{\tan }^{ - 1}}\left( {\frac{1}{5}} \right) - \frac{\pi }{4}} \right] = $
જો રેખાઓ $\frac{x-\lambda}{3}=\frac{y-2}{-1}=\frac{z-1}{1}$ અને $\frac{x+2}{-3}=\frac{y+5}{2}=\frac{z-4}{4}$ વચ્ચેનું ન્યૂનતમ અંતર $\frac{44}{\sqrt{30}}$ હોય, તો $|\lambda|$ ની શક્ય મહતમ કિંમત ............છે.