qopkepk85 qopkepk85
  • 23-01-2024
  • Mathematics
contestada

Show that the straight lines whose direction cosines are given by 2l+2m-n=0 and mn+nl+lm=0 are at right angles.

Respuesta :

Otras preguntas

What are body parts use for survival from horses
What is direct rule of the people
What are the six types of propaganda
Factor The sum of terms as a product of The gcf and a sum. (10y+15[/
A one year membership to a gym costs $725. The registration fee is $125, and the remaining amount is paid monthly. Defibr a variable. Then write and solve an eq
an equilangular hexagon has congruent ?, equilateral hexagon has congruent ?
What made slums so difficult to live in?
7x to the third power - 7x to the second power =?
what happens to the kinetic energy of a snowball as it rolls across the lawn and gains mass.
11. A depression in the ground due to a cave collapse or acidic water dissolution of limestone is called a A. sinkhole. B. stalagmite. C. stalactite.