The vectors \( \lambda \hat{i}+\hat{j}+2 \hat{k}, \hat{i}+\lambda \...
The vectors \( \lambda \hat{i}+\hat{j}+2 \hat{k}, \hat{i}+\lambda \hat{j}-\hat{k} \) and \( 2 \hat{i}-\hat{j}+\lambda \hat{k} \) are coplanar if
(A) \( \lambda=-2 \)
(B) \( \lambda=0 \)
(C) \( \lambda=1 \)
(D) \( \lambda=-1 \)
P
WV
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live
Other Videos By PW Solutions
| 2023-02-13 | The Class X students of a secondary school in Krishinagar have been allotted a rectangular plot ... |
| 2023-02-13 | What is the term used for the German Parliament?
\( \mathrm{P} \)
(... |
| 2023-02-13 | (i) What does BOD \& COD stands for?
(ii) Dissolved oxygen in water... |
| 2023-02-13 | Which one of the following is a different pair?
(a) \( \mathrm{Li},... |
| 2023-02-13 | A triangle \( \mathrm{ABC} \) is drawn to circumscribe a circle of radius \( 4 \mathrm{~cm} \) s... |
| 2023-02-13 | The rate of chemisorption
(a) decreases with increase of pressure.
\( \mathrm{P} \)
(b) is indep... |
| 2023-02-13 | Assuming that elements are formed to complete the seventh period, w... |
| 2023-02-13 | The vertices of a \( \triangle \mathrm{ABC} \) are \( \mathrm{A}(4,6), \mathrm{B}(1,5) \) and \(... |
| 2023-02-13 | In general the property (magnitudes only) that show
\( \mathrm{P} \... |
| 2023-02-13 | \( \mathrm{P} \)
Given in the figure are two blocks A and B of weig... |
| 2023-02-13 | The vectors \( \lambda \hat{i}+\hat{j}+2 \hat{k}, \hat{i}+\lambda \... |
| 2023-02-13 | What is the role of \( \mathrm{CO}_{2} \) in the 'greenhouse effect... |
| 2023-02-13 | Construct a triangle of sides \( 4 \mathrm{~cm}, 5 \mathrm{~cm} \) and \( 6 \mathrm{~cm} \) and ... |
| 2023-02-13 | A particle of mass \( m \) is at rest at the origin at time \( t=0 ... |
| 2023-02-13 | For any vector \( \vec{a} \), the value of \( (\vec{a} \times \hat{... |
| 2023-02-13 | Give the symbol of the elements of lowest atomic number that has th... |
| 2023-02-13 | (i) Define environmental chemistry.
(ii) Discuss social relevance o... |
| 2023-02-13 | Some statements about heavy water are given below:
\( \mathrm{P} \)
(a) Heavy water is used as a... |
| 2023-02-13 | The atomic number of the element unnilennium is
\( \mathrm{P} \)
[J... |
| 2023-02-13 | If \( A_{1}, A_{2} \) be two arithmetic means and \( G_{1}, G_{2} \... |
| 2023-02-13 | The electronic configuration of few elements is given below. Mark t... |
0