Find each sum or difference. Write each an 9. (10 + 8i) + (6 + 4i) = 10. (9 + 5i) – (3 – 8i) = 11. (8 – 4i) + (3 – 3i) = %3D 12. (9 – 7i) – (6 – 9i) = Find each product. Write each answer i (3 5O(6+ 7i) =

Q: Simplify the following expression: (4+5i) / 4i Select one: a. (5+4i)/4 O b. (5i+4i) / 4 O c.…

A:

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

A: Given a→=2j^-2k^b→=5i^+3j^+7k^

Q: Cosx

A:

Q: 3+4i Given that =5 find

A:

Q: What are the roots of the equation -90 = x(x - 18) ? %3D A. 9 and -9 B. 9 + 3i and 9 - 3i C. 9 + V3…

A: We can make it easier for you.

Q: Evaluate (7-3i)(5+5i)

A: The given problem is to evaluate and simplify the given complex expression and expressed in…

Q: 4.7i+6.13i+5.6

A: Step 1:given 4.7i+6.13i+5.6 Step 2: Add 4.7i+6.13i You get 4.7i+6.13i=10.83i   Step 3:Now 10.83i +…

Q: 2 x³ dx -6 √x²-9 Evaluate O44√3 24√/3 34√5 34√3

A:

Q: 12. Find DC 3. 10 D

A: We need to find DC.

Q: . If OM = 8 and MY = 9, what does XZ equal? a. 6V7 b. 2V17 c. V145 d. 30

A: Consider the given diagram, it is given that OM=8 and MY=9. here the objective is to find the value…

Q: aluate. v2

A: Integration: ∫-12(-x2+x+2)dxWe know∫xndx=xn+1n+1

Q: arg (3 – 2i) =

A:

Q: Find the following products.   (-3 + 3i)(-2 +9i)

A: To determine: -3+3i-2+9i

Q: (3-5i)-(7-8i)

A:

Q: i/-1+3i

A: Given  that ,  let  z = 8i-1+3i  We have to change it in the Standard form of  complex number a + i…

Q: Evaluate. dx 8x7 O A. + C O B. 1 +C 9ex9 1 C. + C 1 O D. 9 ex9 - 1 + C

A: The solution is :

Q: (-1+i)-(-7+4i)-5

A: Simplify the expression (–1+i) – (–7+ 4i) – 5 as follows.(–1+ i) – (–7+ 4i) – 5 = –1+ i +7– 4 i – 5…

Q: Find the product.   ​[x−​(8+5i​)][x−​(8−5i​)]

A: Given ​[x−​(8+5i​)][x−​(8−5i​)] = [x-8-5i][x-8+5i] For multiplication we first multiply x with…

Q: -1 2x -бу -3 3 -1 -8y U Xu Use only positive exponents in your answer.

A:

Q: find x/y x = 2-9i;y = -4+6i

A: We can find the answer as below.

Q: AS: の4+o4i (3-i)(I-2i) (2+i)(1+2i)

A:

Q: What is the difference of (-3+2i) and (6+3i)?

A:

Q: 6)(3і — 2) (4i — 5)

A: Given,

Q: 2i0 1. IT Ae i0 2e

A:

Q: z -4 + 3i| = 5

A: Given: z-4+3i=5

Q: 95° (7x – 4)° (3x+23)° (9x – 6)° -

A: We have to find x

Q: 81x? – y? 3Vi+ vỹ

A: 81x2-y23x+y

Q: dx Evaluate xV – 9 13

A:

Q: 16 10 X, 700

A: