Waec Model Questions Vol1 2018 Mathematics Question 23

Practice objective / multiple choice question 23 from the 2018 Waec Model Questions Vol1 Mathematics examination.

Waec Model Questions Vol1 2018 Mathematics Objective / Multiple Choice Hard Difficulty

Question 23 WAEC_MODEL_QUESTIONS_VOL1 • 2018 • MATHEMATICS • objective

Two vectors A = 3i + 4j and B = 2i - j are given. Calculate the magnitude of the vector A + B and find the angle between A and B.

Answer Options

A. √38, cos^(-1)(1/(5√5))

Correct Answer B. √34, cos^(-1)(2/(5√5))

C. √30, cos^(-1)(3/(5√5))

D. √32, cos^(-1)(4/(5√5))

Correct Answer

Correct Option:

√34, cos^(-1)(2/(5√5))

About This Question

This is Waec Model Questions Vol1 2018 Mathematics Question 23. It is one of the objective questions from the 2018 Waec Model Questions Vol1 Mathematics examination.

Difficulty level: Hard .

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