Mathematics, 18.02.2020 21:20 nathanbarbry

Are the following statements true or false? 1. For any scalar c and any vector ⃗ , we have ||c⃗ ||=c||⃗ ||.2. (⃗ ×⃗ )⋅⃗ =⃗ ⋅(⃗ ×⃗ ).3. The value of ⃗ ⋅(⃗ ×⃗ ) is always zero.4. If ⃗ and ⃗ are any two vectors, then ||⃗ +⃗ ||=||⃗ ||+||⃗ ||.

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