MathMaster logo

MathMaster

  1. Home
  2. general
  3. result of the scalar product between u 1 2 3 and v 0 2 1
Question

Result of the scalar product between u=(1,-2,3) and v=(0,2,1)

168

likes
839 views

Answer to a math question Result of the scalar product between u=(1,-2,3) and v=(0,2,1)

Expert avatar
Cristian
4.7
119 Answers
1. Write out vectors: \mathbf{u} = (1, -2, 3), \mathbf{v} = (0, 2, 1).

2. Use dot product formula: \mathbf{u} \cdot \mathbf{v} = u_1v_1 + u_2v_2 + u_3v_3 = 1 \cdot 0 + (-2) \cdot 2 + 3 \cdot 1.

3. Calculate: 0 - 4 + 3 = -1.

4. Final answer: -1.

Frequently asked questions (FAQs)
What is the simplified form of (3^5 * 3^2) / (3^3) ?
+
What is the standard deviation of the set of numbers: 5, 10, 15, 20, 25, 30?
+
What is the sum of the mixed numbers 2 1/4 and 3 3/8 when expressed as improper fractions?
+
New questions in Mathematics
What is the coefficient of elasticity of the material that must be placed on the heel of the 10 cm high clog, with a base area of 2 cm² so that it deforms only 2 cm when the force on it will be a maximum of 600 N.
what is 9% of 307
If L = (-2, -5) is reflected across y= -4 , what are the coordinates of L?
6. Among 100 of products there are 20 rejects. We will randomly select 10 of products. The random variable X indicates the number of rejects among the selected products. Determine its distribution.
Suppose X has a Poisson distribution, with a mean of 0.4. Determine the probability that x is at most 2.
A force of 750 pounds compresses a spring 3 inches from its natural length, which is 15 inches. What will be the work done to compress it 3 inches more?
12(3+7)-5
Find all real numbers x that satisfy the equation \sqrt{x^2-2}=\sqrt{3-x}
The sum of two numbers is 144. Double the first number minus thrice the second number is equal to 63. Determine the first two numbers.
The price per night of a suite at the Baglioni Hotel in Venice is 1896 euros, VAT included. The VAT in Italy is 25%. The hotel gets a return of 10% out of the price VAT included. b) What is the profit value made by the hotel for one
A box of numbered pens has 12 red, 12 blue, 12 green and 12 yellow pens. The pens for each colour are numbered from 1 to 12. There is a unique number on each pen, so no pen is exactly the same as any other pen in the box. When reaching into the box to randomly draw five pens without replacement, what is the proportion of getting exactly four pens of the same colour (Note: the numbers matter but the order does not)?
3/9*4/8=
Two minus log 3X equals log (X over 12)
Express the trigonometric form of the complex z = -1 + i.
We have received our p&l statement back from accounts. The board has asked for an innovation hub. What items should we prioritise reviewing to decide if we can afford an innovation hub?
Give an example of a function defined in R that is continuous in all points, except in the set Z of integers.
P 13. Let P a point inside of a square ABCD. Show that the perpendicular lines drawn from A, B, C, respectively D, to BP, CP, DP, respectively AP are concurrent. Use geometric rotation.
y′ = 2x + 3y x′ = 7x − 4y x(0) = 2 y(0) = −1 sisteminin ¸c¨oz¨um¨un¨u bulunuz. (Lineer Denk. Sis.)
The domain of the function f(x)=x+7x2−144 is (−∞,), ( ,), and ( , ∞).
Construct a set of six pieces of data with​ mean, median, and midrange of 67 and where no two pieces of data are the same.

You might be interested in