Find the roots of (D4 + 4)y = 0 O a. +2i, ± 2i + 2 O b. 2+2i, + i O c. 1 ti, 1+i - ti O d. - 1 ti, 2+2i O e. none

Q: Find the following expressions if a = 3i - 5k, b = i+j3k, and c = 4i + 5j + 3k. 1. a.b: 2. a. c = 3.…

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Q: √√3+ L a. Convert z and w into exponential (re) or polar (r(cose + i sin e) forms. b. Find zw in…

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Q: Express each ratio as a single cor (a) (23.5 + j8.55)/(4.53 – j211) (6) (21.2– j21.2)/(3.54 – 3.54)…

A: Given : (a)  2.35-j8.554.53-j2.11 (b)  21.2-j21.23.54-j3.54 (c)  -7.07-j7.074.92-j.868 Here

Q: -11-3,where z€C. Find z in a form a + bi. Given Z+1 A 13- 39i B. 1+ 31 C-1- D.1- 31

A: simplify for the value of z .

Q: Find the exact value of the expression. 57t COS 12 o VZWB - 1) VZW3-1) 4 O 2W3-1) 4

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Q: Find a · b. a = 2j - 2k b = 5i + 3j + 7k

A: Given a→=2j^-2k^b→=5i^+3j^+7k^

Q: All solutions of the equation : z³ + 64i = 0 O a. z= 4i, z= 23- 2i, z=-23-2i | . z=-4i, z=-23 + 2i,…

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Q: + 5j and b = 7i - 33. Find: %3D 2. a- 2- 4. 53 56 6. 2a + 3b 8. a + ñ|

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Q: Find a · b. a = 3i + j,    b = i − 6j + k

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Q: Find the four fourth roots of z = 16( cos +i sin 12). Write each root in standard form. Wo = W1 = W2…

A: z=16cos2π3+isin2π3 For forth roots of z z14=16cos2π3+isin2π314 z=2cos2+nπ3+isin2+nπ3 Where n=0,1,2,3…

Q: Find a · b. a = 9i + j, b= i - 8j + k

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Q: Let a = – 4i – 5j and b – 7i + 3j. Find a - b

A: we have  a→=-4i→-5j→ and b→=-7i→+3j→

Q: (b) Let A1, A2,, A46 be the roots of (5 – 2i)/46. Show that 46 II ^.A; = = 29 i=1

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Q: If A = -4 + 2i and B = 3 – 5i, in which quadrant does A + 2B lie?

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Q: find solution(s) that lie in  [0,2pi)

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Q: Write (2y · 2y · 2y) + 6 using exponents. 1. 4y° + 6 2. 3(2y)3 + 6 3. None of these 4. 4y? + 6 5.…

A: The exponent form for 2y.2y.2y will be (2y)3

Q: Find a · b. a = 8i + j,    b = i − 7j + k

A: Dot product a.b?  Where a = 8i + j b = i − 7j + k

Q: Let a = - 5i + 33 + 2k and b = - 4i – 3 + 4k. Find a x b. ä xb = k

A: Cross product is the binary operation on two vectors in three dimensional space. It again results in…

Q: How do I find the positive and negative co-terminal between 0 and 2π? If the given value is on the…

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Q: fe* sin 2xdx.

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Q: Integrate the right side. cos u du + C 187

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Q: 3x Use a cofunction to write an expression equal to cos 7.

A: Given, cos3π7

Q: a = 2i + 3j - k, b = -4i + 5k |

A: Given: a=2i+3j-kb=-4i+5k

Q: Given that the characteristic equation has the following complementary solution, what are its roots?…

A: We will find out the required roots of given complementary solution.

Q: Let ủ = −i – 2j and V = −6i + 3j. Find u + v. Select the correct answer below: O 7i-j O 5i - 5j O…

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Q: Evaluate dx 4x4+4x2+17 2x 8 sec-1 2+1 + C O None of the choices. Please refer to my solution. O…

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Q: Verify that              a.(b x c) = b.(c x a) = c. (a x b) if               a =4i – 3j +6k ,  b=…

A: Given that a→=4i-3j+6k, b→=5i+4j-3k, c→=4i+6j+3k We have to verify that a→·b→×c→=b→·c→×a→=c→·a→×b→