Gia bought a computer that was 20% off the regular price of $1,280. If a 9% sales tax was added to the cost of the computer, wha
2 answers:
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Answer with Step-by-step explanation:
We are given that
u+ v and u-v are orthogonal
We have to prove that u and v must have the same length.
When two vector a and b are orthogonal then
By using the property
We know that
Magnitude is always positive
When power of base on both sides are equal then base will be equal
Therefore,
Hence, the length of vectors u and v must have the same length.