Mathematics · Vector Algebra
Which of the following statements regarding vector properties is NOT correctly matched?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The projection of the vector î + ĵ + k̂ in the ĵ direction : 1
- 2If |a⃗ + b⃗| = |a⃗ - b⃗|, then the angle between a⃗ and b⃗ is : π/4✓
- 3If |a⃗| = 3, |b⃗| = 4 and |a⃗ + b⃗| = 1, then |a⃗ - b⃗| is : 7
- 4If non-zero vectors are related by a⃗ = 8b⃗ and c⃗ = -7b⃗, then the angle between a⃗ and c⃗ is : π
Correct answer
If |a⃗ + b⃗| = |a⃗ - b⃗|, then the angle between a⃗ and b⃗ is : π/4
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