[Answered] Given a = 2i + 3j, b = 3i + 5j, and c = 8i + 11j express c in the form ra + sb where r and s are ...

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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 263 times)

littleanan

Hero Member
Posts: 575

on: Jun 18, 2018

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

Sr. Member
Posts: 334

Reply #1 on: Jun 18, 2018

Answer to Question 1

c = 7a - 2b

Answer to Question 2

no, a is not b

littleanan

Hero Member
Posts: 575

Reply #2 on: Jun 18, 2018

Thank you

coyin

Sr. Member
Posts: 334

Reply #3 on: Jun 18, 2018

No problem

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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 263 times)

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