If \( A=\left[\begin{array}{lll}1 & 2 & x \\ 0 & 1 & 0 \\ 0 & 0 & 1\end{array}\right] \) and \( ...

Channel:
PW Solutions
Subscribers:
445,000
Published on ● Video Link: https://www.youtube.com/watch?v=qW-TcxkfC9I


Duration: 4:38
3 views
0

If \( A=\left[\begin{array}{lll}1 & 2 & x \\ 0 & 1 & 0 \\ 0 & 0 & 1\end{array}\right] \) and \( B=\left[\begin{array}{rrr}1 & -2 & y \\ 0 & 1 & 0 \\ 0 & 0 & 1\end{array}\right] \) and \( A B=I_{3} \), then \( x+y \) equals
(a) 0
(b) \( -1 \)
(c) 2
(d) none of these
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2022-10-26The city of Cochabamba is related tohich issue?
2022-10-26Let \( f(x)=x^{3}-6 x^{2}+15 x+3 \). Then, (a) \( f(x)0 \) for all \( x \in R \) (b) \( f(x)f(x+...
2022-10-26Explain the role of sectional interest groups in deepening of democracy.
2022-10-26How did king Gyanendra take advantage of theeak democratically elected government?
2022-10-26Describe the factorshich led to the popular mass struggle for restoring democracy in Nepal.
2022-10-26What form of government isorking in Nepal at present?
2022-10-26"In a Democracy, several different kinds of organisations work behind any big struggle." Explain ...
2022-10-26The socialist party came to power in Bolivia in
2022-10-26In which state did the Kittiko Hachchiko Movement take place in 1987 ? (a) Karnataka (b) Tamil Na...
2022-10-26Which of the following is a sectional interest group? (a) Trade Union (b) Business Association (c...
2022-10-26If \( A=\left[\begin{array}{lll}1 & 2 & x \\ 0 & 1 & 0 \\ 0 & 0 & 1\end{array}\right] \) and \( ...
2022-10-26Which three conclusions can be drawn out from the movement of Nepal and the struggle of Bolivia?
2022-10-26Compare the popular struggle of Nepal and Bolivia.
2022-10-26Let \( f(x)=x^{3}+a x^{2}+b x+5 \sin ^{2} x \) be an increasing function on the set \( R \). The...
2022-10-26What is a political movement? Explainith examples of different types political movements.
2022-10-26What are Movement Groups? Explainith the help of examples.
2022-10-26"Value of public interest group is beneficial to the working of the democratic form of government...
2022-10-26If the function \( f(x)=2 x^{2}-k x+5 \) is increasing on \( [1,2] \), then \( k \) lies in the ...
2022-10-26Describe the 'second popular movement for democracy' of Nepal.
2022-10-26The function \( f(x)=2 \log (x-2)-x^{2}+4 x+1 \) increases on the interval (a) \( (1,2) \) (b) \...
2022-10-26In what ways do the Environmental Movement and Women's Movement different from the Narmada Bachao...


Tags:
pw