Question

Directions: In 25-27, let u = 15-6i .V=-5+ 4i, and w=-2-i. [25] Simplify u + 3v: A) -6i B) 6i C) 30-6i D) 30+6i E) none of th
0 0
Add a comment Improve this question Transcribed image text
Answer #1

Given, u=15-6i y = -5+ 4 i W =-2- 25 U + 3v = (15-61) +36-5+41 ) (15-69) + (-15+121) - 15-15+(12-6) i 0 +6 16 i Option (B) is

Add a comment
Know the answer?
Add Answer to:
Directions: In 25-27, let u = 15-6i .V=-5+ 4i, and w=-2-i. [25] Simplify u + 3v:...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • (24) Which polar point is not approximately equivalent to the polar point (12, 6)? (12, 12.28)...

    (24) Which polar point is not approximately equivalent to the polar point (12, 6)? (12, 12.28) (12, -28) C. (-12, 2.86) D. (-12,-2.86) A. B. E. all of these are approximately equivalent Directions: In 25-27, let u = 15 - 6i, v = -5+4i , and w= -21. [25] Simplify u + 3v: A) -6i B) 6i C) 30-61 D) 30+6i E) none of these [26] Find the sum of the conjugate of v and the conjugate of w. A)...

  • 6-7. Given vectors U = -4i +12, V = 5i - 2j, W=-3i- 6. Find a)...

    6-7. Given vectors U = -4i +12, V = 5i - 2j, W=-3i- 6. Find a) 30 - 5V._b) 2V - W'. 7. a) UW What can you tell from the result? b) angle between U and V (keep one digit after decimal. calculato

  • if v=-4i+2j and w=2i-3j then find a= v+w b=b-w c=3v d=2v+2w 7. If v =-4i+ 2j...

    if v=-4i+2j and w=2i-3j then find a= v+w b=b-w c=3v d=2v+2w 7. If v =-4i+ 2j and w = 2i - 3j. Then find (Section 7.6) a. vw b. v -w C. 3v d. 2v2w

  • 6. Given u= 2 + 31, p= 1 - 2i and w= -3 – 6i where...

    6. Given u= 2 + 31, p= 1 - 2i and w= -3 – 6i where i = V-1 is the imaginary unit. Evaluate the following: A) (u + v B) u + 20 C) 4–3v + 2w D) U E ) uv F) (ulvt G) v/w

  • Q6 - 21 Let u : | -71, v-| -31, and w=| 27 |. It can...

    Q6 - 21 Let u : | -71, v-| -31, and w=| 27 |. It can be shown that-3u-2v-w=0. Use this fact (and no row 4 - 21 27 2 x1 operations) to find x1 and X2 that satisfy the equation73 4-7 2 2 (Simplify your answers.)

  • 25 and 27 please 24. u i, v i+j, w i+j+k 36. L 25-26 Use a...

    25 and 27 please 24. u i, v i+j, w i+j+k 36. L 25-26 Use a scalar triple product to find the volume of the parallelepiped that has u, v, and w as adjacent edges. 37. W u = (2,-6, 2), v 〈0, 4,-2), w = (2, 2,-4) to 38. S the vectors lie in the same plane. u=51-2j + k, v=4i-j + k, w=i-j ide 28. Suppose that u (v X w)3. Find (a) u" (w × v) (c)...

  • [3] Given: u = -8i + 6 v = i- j w = 4i - 8j...

    [3] Given: u = -8i + 6 v = i- j w = 4i - 8j T = -10i Point Pat (-17, -v2), point at (-9, 11), and point Rat (8, -15) Five of the following six parts are each worth 3 points. Part b is worth 5 points. a) Find the position vector, in xi + yj form, for the vector whose initial point is R and whose terminal point is 9. b) Sketch the position vector determined by...

  • Problem #6: Let u = (i, 21,6), v = (5,-21, 1+i), w = (2-i, 21, 8...

    Problem #6: Let u = (i, 21,6), v = (5,-21, 1+i), w = (2-i, 21, 8 + 6i). Compute (u: v) wu Express your answer in the form a + bi and enter the values a and b (in that order) into the answer box below, separated with a comma. Problem #6: -35,27 Values of a and b, separated with a comma. Just Save Submit Problem #6 for Grading Problem #6 Attempt #3 Your Answer: Attempt #1 13,27 0/2x Attempt...

  • Problem 13 Let u = | 2 | . 112 = | 1 | . Also let u = 13 a) Compute prw(v) where W Spanui, u2] b)...

    Problem 13 Let u = | 2 | . 112 = | 1 | . Also let u = 13 a) Compute prw(v) where W Spanui, u2] b) Co d W c Determine the least-squares approximation of v by a vector in W. inputc the distance betwecn v an Problem 13 Let u = | 2 | . 112 = | 1 | . Also let u = 13 a) Compute prw(v) where W Spanui, u2] b) Co d W...

  • Problem #7: Which of the following statements are always true for vectors in R3? (i) If u (vx w)-...

    Problem #7: Which of the following statements are always true for vectors in R3? (i) If u (vx w)-4 then w - (vxu)-4 (ii) (5u + v) x (1-40 =-21 (u x v) (ili) If u is orthogonal to v and w then u is also orthogonal to w | V + V W (A)( only (B) (iii) only (C) none of them (D) (i) and (iii) only (E) all of them (F) (i) only (G)i and (ii) only (H)...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT