The linear equation of the line 3x + 5y-1 = 0 is symmetric with respect to the line 4x + 3y-5 = 0
L1:3x+5y-1=0.(1)L2:4x+3y-5=0.(2)k(L1)=-3/5,k(L2)=-4/3[k(L1)-k(L2)]/[1+k(L1)*k(L2)]=[k(L2)-k]/[1+k*k(L2)][-3/5-(-4/3)]/[1+(-3/5)*(-4/3)]=[(-4/3)-k]/[1+k*(-4/3)]k=-35*(2)-3*(1):x=2,y=-1L:y+1=-3*(x-2)3x+...
RELATED INFORMATIONS
- 1. A = 3 is a line ax + 2Y + 3A = 0 and a line 3x + (A-1) y = A-7 which are parallel and not coincident () A. Sufficient and nonessential condition B. necessary and nonessential condition C. sufficient and necessary condition D. neither sufficient nor necessary condition
- 2. (2012. Pudong New Area three mode) "a=3" is "straight line ax+2y+3a=0 and straight line 3x+ (A-1) y=a-7 parallel". A. Sufficient and unnecessary condition B. necessary and insufficient condition C. sufficient and necessary condition D. neither sufficient nor necessary condition
- 3. The distance between the line 4x-3y + 4 = 0 and the line 8x-6y + a = 0 is 2 Is self-learning high school curriculum for detailed explanation!
- 4. {7x + 6y = - 19,6y-5x = 17 to solve the equations
- 5. The standard equation for a circle whose center is on a straight line 5x-3y = 8 and tangent to two coordinate axes
- 6. The standard equation for a circle whose center is on the straight line 5x-3y-8 and tangent to both axes Good brother and sister, do me a favor
- 7. The equation of circle passing through point (8,1) and tangent to two coordinate axes
- 8. If f (x) = ax ^ 3 + 3x ^ 2 + 2 and f '(- 1) = 4, then the value of real number a is equal to? f'(x)=3ax²+6x f'(-1)=3a-6=4 A = 10 / 3 what you have done, but still don't understand. How can you calculate f '(x)?
- 9. If the line ax + 2Y + 1 = 0 is perpendicular to the line x + 3y-2 = 0, what is the value of a?
- 10. If the line ax + 2Y + 1 = 0 is perpendicular to the line x + Y-2 = 0, then a=______ .
- 11. It is known that the minimum value of the sum of the distances from the moving point P on the parabola y2 = 4x to the lines L1 and L2 is () A. 2B. 3C. 115D. 3716
- 12. It is known that the line l1:4x-3y + 6 equals zero, the line L2: x equals minus 1, and the square of the parabola y equals the moving point P on 4x to the straight line It is known that the line L1: 4x minus 3Y plus 6 equals zero, the line L2: x equals minus 1, and the square of the parabola y equals the sum of the distances from the moving point P on 4x to the line L1 and the line L2? A. 1 B.3 c.d.16 molecule 37
- 13. Make two mutually perpendicular straight lines L1 and L2 through point P (2,4). If L1 intersects X-axis at point a and L2 intersects Y-axis at point B, find the trajectory equation of the midpoint m of line ab
- 14. The trajectory equation of the point with equal distance to the line y = 0 and the line y = √ 3 (x + 1), The answer is (√ 3x-3y + √ 3) (√ 3x + y + √ 3) = 0 I'm dull and love to get to the top of things, so the more detailed the better,
- 15. Find the trajectory equation of the point with the same distance between two lines 2x-y-1 = 0 and 4x-2y + 9 = 0
- 16. If the point P (2, - 1) is known, the equation of the line L which passes through the point P and has the largest distance from the origin is obtained, and the maximum distance is obtained;
- 17. Given point P (2, - 1), what is the maximum distance between point P and the origin Why is the maximum distance OP?
- 18. On the number axis, the point of - 5 is at the beginning of the origin___ Side, the distance from the origin is___ . the distance from the origin is 4 units of length__ Yes, they are___ On the number axis, a point five units in length away from the point representing - 2 is the same as the number represented____ ? Simplification: 1 - 2=____ ? -The absolute value of 4.7 is____ The number whose absolute value is 3 and 1 / 5 is___ ? The number with the smallest absolute value is__ The number whose absolute value equals itself is____ ? Given x = 8, y = - 2, find the value of x-4, y Comparison size: 1 + 5___ - 6; 1 - 100___ -(-101). All integers greater than - 3 and less than 2 are___ ? Fill in the appropriate integer in the following box to make the formula true: - 3 < mouth < - 1.5 < mouth < 0 < mouth < 2 Given a = 4, B = 3 and a < B, try to find the value of a and B
- 19. On the number axis, the distance to the origin is the root sign, and the number of 6 is
- 20. On the number axis, which side of the origin is the point representing the number 6, and the distance to the origin is several unit lengths; the distance from the point representing the number 6 to the point representing the number-8 is Several units of length