19. The slope of a line is double of the slope of another line. If tangent of the angle between them 1 is , find the slopes of the lines. 3' 20. Find the point of intersection of the pairs of lines; +=1 and+2 = 1 а b b а 21. Find the distance of the line 4x + 7y + 5 = 0 from the point (1, 2) along the line 2x – y = 0. 22. Find the distance between the parallel lines 3x + 4y – 5 = 0 and 6x+ 8y- 45 = 0. 23. Find the length of the perpendicular from the origin to the line joining two points whose coordinates are (cos0, sin 0) and (cos^, sin^). AH,
19. The slope of a line is double of the slope of another line. If tangent of the angle between them 1 is , find the slopes of the lines. 3' 20. Find the point of intersection of the pairs of lines; +=1 and+2 = 1 а b b а 21. Find the distance of the line 4x + 7y + 5 = 0 from the point (1, 2) along the line 2x – y = 0. 22. Find the distance between the parallel lines 3x + 4y – 5 = 0 and 6x+ 8y- 45 = 0. 23. Find the length of the perpendicular from the origin to the line joining two points whose coordinates are (cos0, sin 0) and (cos^, sin^). AH,
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:19. The slope of a line is double of the slope of another line. If tangent of the angle between them
1
is , find the slopes of the lines.
3'
20. Find the point of intersection of the pairs of lines; +=1 and+2 = 1
а
b
b
а
21. Find the distance of the line 4x + 7y + 5 = 0 from the point (1, 2) along the line 2x – y = 0.
22. Find the distance between the parallel lines 3x + 4y – 5 = 0 and 6x+ 8y- 45 = 0.
23. Find the length of the perpendicular from the origin to the line joining two points whose
coordinates are (cos0, sin 0) and (cos^, sin^).
AH,
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