ExamVeda
Login
Home

Which of the following statements are correct regarding dot product of...

This question belongs to Engineering Maths Calculus
Calculus
?

Which of the following statements are correct regarding dot product of vectors?
1. Dot product is less than or equal to the product of magnitudes of two vectors.
2. When two vectors are perpendicular to each other, then their dot product is non-zero.
3. Dot product of two vectors is positive or negative depending whether the angle between the vectors is less than or greater than \[\frac{\pi }{2}\].
4. Dot product is equal to the product of one vector and the projection of the vector on the first one.
Select the correct answer:

Answer & Solution
Correct Answer: Option B
Let's discuss the solution. Join the discussion
Examveda
Question posted by Examveda
Community

Join the Discussion

No comments yet Be the first to discuss this question.
Keep Learning

Related Questions on Calculus

What is the value of \[\mathop {\mathop {\lim }\limits_{{\text{x}} \to 0} }\limits_{{\text{y}} \to 0} \frac{{{\text{xy}}}}{{{{\text{x}}^2} + {{\text{y}}^2}}}?\]
A. 1 B. -1 C. 0 D. Limit does not exit
The Taylor series expansion of 3 sinx + 2 cosx is . . . . . . . .
A. 2 + 3x - x2 - \[\frac{{{{\text{x}}^3}}}{2}\] + ... B. 2 - 3x + x2 - \[\frac{{{{\text{x}}^3}}}{2}\] + ... C. 2 + 3x + x2 + \[\frac{{{{\text{x}}^3}}}{2}\] + ... D. 2 - 3x - x2 + \[\frac{{{{\text{x}}^3}}}{2}\] + ...
\[\mathop {\lim }\limits_{{\text{x}} \to \infty } \sqrt {{{\text{x}}^2} + {\text{x}} - 1} - {\text{x is}}\]
A. 0 B. \[\infty \] C. \[\frac{1}{2}\] D. \[ - \infty \]
The Taylor series expansion of \[\frac{{\sin {\text{x}}}}{{{\text{x}} - \pi }}\]  at \[{\text{x}} = \pi \]  is given by
A. \[1 + \frac{{{{\left( {{\text{x}} - \pi } \right)}^2}}}{{3!}} + ...\] B. \[ - 1 - \frac{{{{\left( {{\text{x}} - \pi } \right)}^2}}}{{3!}} + ...\] C. \[1 - \frac{{{{\left( {{\text{x}} - \pi } \right)}^2}}}{{3!}} + ...\] D. \[ - 1 + \frac{{{{\left( {{\text{x}} - \pi } \right)}^2}}}{{3!}} + ...\]
More Related Questions on Calculus