Math, asked by ifthaq, 1 year ago

find the unit vectors of5i+7j+k

Answers

Answered by dhanushsuvarna34
0
n cap=A vector÷(modulus of A vector)
A=
 \sqrt{5 {  }^{2}  + 7 {}^{2} +  { 1 }^{2}  }
=
 \sqrt{25 + 49 + 1}
=
 \sqrt{75 }
A =
 \sqrt{75}
unit vectot(n cap)=(5i+7j+k)÷(sqrt of 75)
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