If the length of a vector be 21 and direction ratios be 2,-3, 6 then its direction cosines are....
If the length of a vector be 21 and direction ratios be 2,-3, 6 then its direction cosines are 📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live
Other Videos By PW Solutions
| 2024-05-10 | Find the value of λ, so that the lines 1-x3=7y-142λ=5z-1011 and 7-7x3λ=y-51.... |
| 2024-05-10 | The cartesian equation of a line AB is 2x-13=y+22=z-33. Find the direction cosines of a line par.... |
| 2024-05-10 | Find the cartesian equation of the line which passes through the point (-2,4,-5) and parallel to.... |
| 2024-05-10 | The equation to the straight line passing through the points (4,-5,-2) and (-1,5,3) is.... |
| 2024-05-10 | The equation of the plane which is parallel to y-axis and cuts off intercepts of length 2 and 3 .... |
| 2024-05-10 | A number consists of 7 digits whose sum is 59 ; find the chance of its being divisible by 11 ..... |
| 2024-05-10 | A box is divided into \(m\) equal compartments into which \(n\) balls are thrown at random; find.... |
| 2024-05-10 | If a line makes angles 90°,135°&45° with the x,y&z axes respectively, then i.... |
| 2024-05-10 | The line joining the points (0,5,4) and (1,3,6) meets XY plane at the point.... |
| 2024-05-10 | The distance of point (2,5,7) from the x-axis is.... |
| 2024-05-10 | If the length of a vector be 21 and direction ratios be 2,-3, 6 then its direction cosines are.... |
| 2024-05-10 | A purse contains 4 coins which are either sovereigns or shillings; 2 coins are drawn and found t.... |
| 2024-05-10 | Three tangents are drawn at random to a given circle, find the odds against the circle being ins.... |
| 2024-05-10 | If \(P(A-B)=P(A)-P(A \cap B)=P(A \cup B)-P(B)\) \(=P(A \cap \bar{B})=q-P(\bar{A} \cup \mathrm{B}.... |
| 2024-05-10 | In four throws with a pair of dice, what is the chance of throwing doublets twice at least?.... |
| 2024-05-10 | Two independent witnesses, \(A\) and \(B\), whose probabilities of speaking the truth are \(p\) .... |
| 2024-05-10 | In throwing of a pair of dice, if the probability of the event: total is 'not 8 ' and 'not 11 ' .... |
| 2024-05-10 | A sample space consists of 9 elementary outcomes \(E_1, E_2\), ... \(\mathrm{E}_9\) whose probab.... |
| 2024-05-10 | If \(P(A)=0.4, P(B)=0.48\) and \(P(A \cap B)=0.16\), choose the correct from following :.... |
| 2024-05-10 | If the letters of the word BANANA are arranged randomly, then find the probability that the word.... |
| 2024-05-10 | One of the four persons john, Rita, Aslam or Gurpreet will be promoted next month. Consequently,.... |
0