Math Problem Statement
If a = (-1, -8, 7) and b = (1, 0, -10), find a dot b
Solution
To find the dot product of the vectors and , use the formula for the dot product:
Substituting in the values:
Calculating each term:
- First term:
- Second term:
- Third term:
Now, summing these results:
Thus, the dot product is .
Would you like more details or have any questions? Here are some related questions:
- What is the geometric interpretation of the dot product?
- How would you calculate the dot product of two-dimensional vectors?
- Can you explain how the dot product relates to the angle between two vectors?
- What are the applications of the dot product in physics?
- How do you determine if two vectors are orthogonal using the dot product?
Tip: Remember that the dot product can also indicate how parallel two vectors are; if it is zero, the vectors are orthogonal.
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Math Problem Analysis
Mathematical Concepts
Vector Algebra
Dot Product
Formulas
\( \mathbf{a} \cdot \mathbf{b} = a_1 b_1 + a_2 b_2 + a_3 b_3 \)
Theorems
-
Suitable Grade Level
Grades 9-12