Determine the type of each mathematical sentence. Write OPEN if it is open and CLOSED, if otherwise. a2 + b2 = c2 3y = 0 sin2 x + cos2 x = 1 x2 + 2xy + y2 = (x + y)2 x − x = 5

Q: Write -V-9- 4) – 3 in simplest a + bi form.

A: -12i3(-9-4)-3i2

Q: 2-X 2-x-Y dza dx

A: the given integral is: ∫01∫02-x∫02-x-ydz dy dx we have to evaluate the given integral.

Q: (-19 – 5i) + (3 + 10i)

A: (-19-5i)+(3+10i)

Q: simplify each complex fraction. (3/2x + 5/3y)/(4/x - 3/4y)

A: Simplify each complex fraction.         32x+53y4x-34y

Q: Evaluate the followng- (メー2メ+3) dx ー2 Cos (70+5) dO

A: Formula used: 1)∫xn dx=xn+1n+1+C and 2) ∫cosx dx=sinx+C, where C is integrating constant. Given: 1)…

Q: Let a = - 4i – 33+ 3k and b = 4i – 33+ 2k. Find a – 36.

A: given   a→=-4i→-3j→+3k→    and  b→=4i→-3j→+2k→ we have to find a→-3b→

Q: Assume that y represents a positive real number. What is the conjugate of Vy - 24?

A: y-24

Q: (-6-3;)-(3+bi) write your answer as in standard so Jomsuro complex number

A: See attached file for a step by step explanation.

Q: 8a3u 7x3u dx

A:

Q: Q1- If z₁ =3+2i, and z2 = 1-2i. Fined the real part and imaginary part of the 2z2-z₁+5-i following…

A:

Q: 4-X 2-3X dydx

A:

Q: Solve and

A:

Q: Subtract. (3 + i)- (6 - 14 i) (3 + i)- (6 - 14 i) =| (Type your answer in the form a + bi.)

A:

Q: B Sin3X 6653X + X3

A:

Q: Find the x-intercepts of y = x³ + 27 O (-27,0) O (3,0) O (-3,0) O No x-intercepts

A: To find x-intercepts, put y=0 and solve for x. To find y-intercepts, put x=0 and solve for y.

Q: Perform the given operation. (-31x + 20 + 37x + 27x? + 7x*) (x + 4) - 1 (-31x+ 20 + 37x° + 27x² +…

A:

Q: (15x - 8) 226

A: Given,

Q: Differentiate which of the equations are identities, if they have one solution, or no solution.…

A: