Given r = 6i − 7j and s = −7i + 4j, what is r + s?  a 13i − 11j  b −13i + 11j  c i + 3j  d −i − 3j

Q: 2√2 X 1 ²³ t³ √²-4 dt

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Q: 21. Determine 61 +2j -4j + k

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Q: (-2 + 7i) + (6 + 2i)

A: We have to find (-2 + 7i) + (6 + 2i)

Q: Given a=9i+8j and b= 10j-7k, find  |a-2b|

A: First, let's define the vectors a and b. In this case, we are given:a = 9i + 8jb = 10j - 7k

Q: B бх +7 4x -3 A4 Зх + 16

A: Answer

Q: Find a - b

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Q: True or False? Does the rectangular coordinate (1,0) represent the same point as the polar…

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Q: x4+ x3−29x2−39x+ 170 = 0; −4+ i

A: Solution: The objective is to solve the given equation

Q: Solve the equation for x in terms of the other letters. (Enter your answers as a comma-separated…

A: Given data

Q: Find a + b, 2a + 3b, lal, and la - bl. 4 a = i + 3j - 2k, b = -3i - j + 7k a + b = 2a + 3b = |a| |a…

A: We have vector a and b. Need to perform indicated vector operations.

Q: Perform the operations and simplify. 8p2 – 71pg – 9q² : 8p² + 65pg + 8q? p² – 81q? 8p2 + 71pg – 9q²…

A: (a/b) / (c/d) then (a/b) * (d/c)

Q: 3m4-3n+ 2m2-2n2 2+2cmn +cn? cm 4m-4n 3 6m2+6n2 4m2+4mn+4n?

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Q: If a = 2i+3j -4k and b 7i-10j +9k find a b. a b ||(Simplify your answer.)

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Q: Find the difference. (4d — 6а8 + Зӕ) — (1048 + 7d — 2) —

A: