It is given: ∥m∥=4,∥n∥=sqrt{2},⟨m,n⟩=135 find the norm of the vector m+3n.

rocedwrp 2021-01-15 Answered

It is given: m∥=4,n∥=2,m,n=135 find the norm of the vector m+3n.

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Expert Answer

Yusuf Keller
Answered 2021-01-16 Author has 90 answers
Now
m+3n2=m+3n,m+3n=m,m+m,3n+3n,m+3n,3n=∥m2+6m,n+9n2=16+6×135+18=16+6×135+18=844
Therefore
m+3n∥=844
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