\( \left|\begin{array}{ccc}1+x & 1 & 1 \\ 1 & 1+x & 1 \\ 1 & 1 & 1+x\end{array}\right| \) is equ...

Channel:
PW Solutions
Subscribers:
445,000
Published on ● Video Link: https://www.youtube.com/watch?v=GvEaigTiLCk


Duration: 2:17
0 views
0

\( \left|\begin{array}{ccc}1+x & 1 & 1 \\ 1 & 1+x & 1 \\ 1 & 1 & 1+x\end{array}\right| \) is equal to
(a) \( x^{2}(x+3) \)
(b) \( 3 x^{3} \)
(c) 0
(d) \( x^{3} \)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2022-10-27The determinant \( \left|\begin{array}{ccc}x p+y & x & y \\ y p+z & y & z \\ 0 & x p+y & y p+z\e...
2022-10-27The value of \( \cot ^{-1} 3+\operatorname{cosec}^{-1+} \sqrt{5} \) is (a) \( \frac{\pi}{3} \) (...
2022-10-27The value of \( 2 \tan ^{-1} \frac{1}{3}+\tan ^{-1} \frac{1}{7} \) is (a) \( \frac{\pi}{4} \) (b...
2022-10-27The value of \( \tan \left\{\cos ^{-1}\left(\frac{4}{5}\right)+\sin ^{-1}\left(\frac{2}{\sqrt{13...
2022-10-27Let \( f(x)=x^{2}+a x+3 \) and \( g(x)=x+b \), where \( F(x)=\lim _{n \rightarrow \infty} \frac{...
2022-10-27If \( A B=0 \) where \( A=\left[\begin{array}{cc}\cos ^{2} \theta & \cos \theta \sin \theta \\ \...
2022-10-27If \( \tan ^{-1} 2, \tan ^{-1} 3 \) are angles of a triangle then the third angle is (a) \( \fra...
2022-10-27If \( \alpha \) satisfies the inequation \( x^{2}-x-20 \) then a value exists for (a) \( \sin ^{...
2022-10-27If \( A=\left[\begin{array}{ccc}1 & \omega & \omega^{2} \\ \omega & \omega^{2} & 1 \\ \omega^{2}...
2022-10-27\( \sum_{n=1}^{3} \tan ^{-1} \frac{1}{n} \) is equal to (a) 0 (b) \( \pi \) (c) \( \frac{\pi}{2}...
2022-10-27\( \left|\begin{array}{ccc}1+x & 1 & 1 \\ 1 & 1+x & 1 \\ 1 & 1 & 1+x\end{array}\right| \) is equ...
2022-10-27For the equation \( 2 x^{2}+6 \sqrt{2} x+1=0 \) (a) roots are rational (b) if one root is \( p+\...
2022-10-27\( \left|\begin{array}{ccc}0 & p-q & p-r \\ q-p & 0 & q-r \\ r-p & r-q & 0\end{array}\right| \) ...
2022-10-27If \( \alpha, \beta \) are roots of \( x^{2}+p x+q=0 \) and \( \gamma, \delta \) are the roots o...
2022-10-27If \( x=\log _{5} 3+\log _{7} 5+\log _{9} 7 \) then (a) \( x \geq \frac{3}{2} \) (b) \( x \geq \...
2022-10-27If \( \alpha, \beta \) are the roots of \( a x^{2}+c=b x \) then the equation \( (a+c y)^{2}=b^{...
2022-10-27If \( 5^{x}+(2 \sqrt{3})^{2 x} \geq 13^{x} \) then the solution set for \( x \) is (a) \( [2,+\i...
2022-10-27The solution set of \( \left|\frac{x+1}{x}\right|+|x+1|=\frac{(x+1)^{2}}{|x|} \) is (a) \( \{x \...
2022-10-27Match the column:
2022-10-27The equation \( 2 \sin ^{2} \frac{x}{2} \cdot \cos ^{2} x=x+\frac{1}{x}, 0x \leq \frac{\pi}{2} \...
2022-10-27The number of real solutions of the equation \( \frac{6-x}{x^{2}-4}=2+\frac{x}{x+2} \) is (a) tw...


Tags:
pw