question_answer3) If a line has direction cosines then what are its ratios ?
View Answer play_arrowquestion_answer5) Show that the points (2, 3, 4), (–1, –2, 1), (5, 8, 7) are collinear.
View Answer play_arrowquestion_answer9) The cartesian equation of a line is write its vector form.
View Answer play_arrowquestion_answer11) Find the angle between the following pair of lines : (i) and (ii) and (iii)
View Answer play_arrowquestion_answer12) Find the values of p so that the lines are at right angles.
View Answer play_arrowquestion_answer13) Show that the lines are perpendicular to each other.
View Answer play_arrowquestion_answer14) Find the shortest distance between the lines and
View Answer play_arrowquestion_answer15) Find the shortest distance between the lines
View Answer play_arrowquestion_answer16) Find the shortest distance between the lines whose vector equations are and
View Answer play_arrowquestion_answer17) Find the shortest distance between the lines whose vector equations are and
View Answer play_arrowquestion_answer21) Find the Cartesian equation of the following planes (a) (b) (c)
View Answer play_arrowquestion_answer25) Find the intercepts cut off by the plane 2x + y – z = 5.
View Answer play_arrowquestion_answer30) Find the angle between the planes whose vector equation are and
View Answer play_arrowquestion_answer37) Find the equation of a line parallel to X-axis and passing through the origin.
View Answer play_arrowquestion_answer39) If the lines perpendicular, then find the value of K.
View Answer play_arrowquestion_answer42) Find the shortest distance between lines
View Answer play_arrowquestion_answer56) Equation of xz-plane is (a) x = 0 (b) y = 0 (c) z = 0 (d) x = 0, z = 0
View Answer play_arrowquestion_answer57) Equation of the y-axis is (a) x = 0 (b) y = 0; z = 0 (c) z = 0 (d) x = 0; z = 0
View Answer play_arrowquestion_answer60) Vector equation of a line that is parallel to X-axis is (a) (b) (c) (d)
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