HomeworkLib
Question

1. Simplify the following expression a. j22 = b. 2j? +3j* = C. (5j?) = d. j j = f. 3j(2j? –5j)= g. 6xjº +2yj“ + 4xj +5yje =

math   trigonometry   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

233 by 4, t ind reminder step -0: Divide 133 ID 1270935 24014 4) 233 (58 20 33 2706 (34)59 - j O 270 step@: 5233 becomes eqrstep O: Enpand (5j) to oder onginal form . (5j) = 5x j = 125 j? step@: 4s know : we . put j%= -j = 125 (-j) 125j => -> 5i) =step0: Dinide power o j by 4t find neminder 4)3 (0 step O: 16 stepO -> = om-n step@: Ac 4-3 (d. 16 -> Ans stepC 3j(2j²-5i)= sStels ® : know: j2=-1 j3 = jj = -j and 6-1sj 6 (-5)- 15(-1) = 6j+15 3i(2j-5j) =-6j +15 %3D Ans ) 6xj+1 + 4xi + 5yj= step0:

0 0
Add a comment
Know the answer?
Add Answer to:
1. Simplify the following expression a. j22 = b. 2j? +3j* = C. (5j?) = d....
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

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

  • ECE 3 1. Simplify the following expression a. ;33 = b. 2; +3;' = c. (51")...

    ECE 3 1. Simplify the following expression a. ;33 = b. 2; +3;' = c. (51") = d. ;';' = f. 3 (2j? -5j)= g. 6xj? +2 yj* + 4.xj + 5 yjø = 2. Arithmetic of Complex Numbers a. Find the sum of (5-3,) and the conjugat b. If 5-4j=(2 + xj)+(3+2;), what is the c. Simplify (1-1)(+1). d. (4+2;)(-2- ;)(3-5j)=

  • For a = 2i - 3j + 4k, b = 5i + 2j + 6k, find...

    For a = 2i - 3j + 4k, b = 5i + 2j + 6k, find a times b For a = -5i + 3j - 6k, b = 2i - 2j + 3k, find a times b For a = 7i - j + 3k, b = i + 3j - 4k, find a times b For a = 2i + 3j + 5k, b = 4i + 2j - 3k, find a times b

  • 2. Which of the following pairs of vectors are orthogonal? (a) v = 3i - 2j,...

    2. Which of the following pairs of vectors are orthogonal? (a) v = 3i - 2j, w = --i +2j (b) v = -2i, w = 5j (c) v = -i + 2j, w = -1 (d) v = 2i – 3j, w = -2i + 3j (e) None of these

  • 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

  • Let the two vectors A=4i+5j+3k,B=-2i+3j-4k, and C=3i-5j+k find: A. S= A+3 B+6C B. (-5A .B).3C C....

    Let the two vectors A=4i+5j+3k,B=-2i+3j-4k, and C=3i-5j+k find: A. S= A+3 B+6C B. (-5A .B).3C C. (3B*2A)+C D. Find the angle a between A and C Let the two vectors A=4i+5j+3k,B=-2i+3j-4k, and C=3i-5j+k find: A. S= A+3 B+6C B. (-5A .B).3C C. (3B*2A)+C D. Find the angle a between A and C

  • #8 8. What is the cross product of the vectors A=-31 +3j -4k and B=4i +2j+k....

    #8 8. What is the cross product of the vectors A=-31 +3j -4k and B=4i +2j+k. What is the angle between A and B? 9. What is the scalar product of the vectors A= i +3j -2k and B= i +6j + 3k. What is the angle between A and B? 10. What is the scalar product of the vectors A= -31 +3j -4k and B=41 +2j+ k. What is the angle between A and B? 11. Find the area...

  • 1- Two vectors are given as u = 2 – 5j and v=-{+3j. a- Find the...

    1- Two vectors are given as u = 2 – 5j and v=-{+3j. a- Find the vector 2u +3v (by calculation, not by drawing). (4 pts) b- Find the magnitudes luand il of the two vectors. (4 pts) c- Calculate the scalar product u•v. (5 pts) d- Find the angle between the vectors u and v. (6 pts) - Calculate the vector product uxv. (6 pts)

  • Consider the three displacement vectors A - (-i-3j) mB - (7m and C-5j m. Use the...

    Consider the three displacement vectors A - (-i-3j) mB - (7m and C-5j m. Use the component method to determine the following. (Take the tx direction to be to the right.) (a) the magnitude and direction of the vector D-A B C direction counterclockwise from the x axis (b) the magnitude and direction of E - A B+C magnitude direction o counterclockwise from the x axis (c) A vector has an x component of -24.0 units and a y component...

  • 1- Two vectors are given as u = 2î – 5j and v=-î +3j. a- Find...

    1- Two vectors are given as u = 2î – 5j and v=-î +3j. a- Find the vector 2u + 3v (by calculation, not by drawing). (4 pts) b- Find the magnitudes lil and 17% of the two vectors. (4 pts) c- Calculate the scalar product uov. (5 pts) d- Find the angle 0 between the vectors ū and . (6 pts) e-Calculate the vector product u xv. (6 pts)

  • 1) 2) Use the vectors u = 2i - j, v = 21 - 3j, and...

    1) 2) Use the vectors u = 2i - j, v = 21 - 3j, and w = -3i + 5j to evaluate the expression. 2v - u + w Find a unit vector in the same direction as the given vector. a = 201 - 21j

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