Statement I If and

MATHEMATICS · Multi-part · A Level · Mathematics · Vectors · Vectors

Problem

1. Statement I If ∣a∣=3,∣b∣=4|a| = 3, |b| = 4 and ∣a+b∣=5|a + b| = 5 , then ∣a−b∣=5|a - b| = 5 . (1) Statement I If ∣a∣=3,∣b∣=4|a| = 3, |b| = 4 and ∣a+b∣=5|a + b| = 5 , then ∣a−b∣=5|a - b| = 5 . (2) Statement II The length of the diagonals of a rectangle is the same.

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