This topic contains a solution. Click here to go to the answer

Author Question: Given a = 2i + 3j, b = 3i + 5j, and c = 8i + 11j express c in the form ra + sb where r and s are ... (Read 252 times)

littleanan

  • Hero Member
  • *****
  • Posts: 575
Given a = 2i + 3j, b = 3i + 5j, and c = 8i + 11j express c in the form ra + sb where r and s are scalars.
 
  What will be an ideal response?

Question 2

Given a = 5i + 9j and b =12i - 10j, determine whether or not a and b are perpendicular.
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

coyin

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

c = 7a - 2b

Answer to Question 2

no, a is not  b





 

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

For a complete list of videos, visit our video library