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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 272 times)

littleanan

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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?



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coyin

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Answer to Question 1

c = 7a - 2b

Answer to Question 2

no, a is not  b





 

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