Questions from General Calculus

Q: Evaluate the expression and write your answer in the form a +

Evaluate the expression and write your answer in the form a + bi.

Q: Evaluate the expression and write your answer in the form a +

Evaluate the expression and write your answer in the form a + bi.

Q: Find the complex conjugate and the modulus of the number.

Find the complex conjugate and the modulus of the number. 12 – 15i

Q: Find the complex conjugate and the modulus of the number.

Find the complex conjugate and the modulus of the number.

Q: Find the complex conjugate and the modulus of the number.

Find the complex conjugate and the modulus of the number. -4i

Q: Prove the following properties of complex numbers. /

Prove the following properties of complex numbers.

Q: Find the area of the region that lies inside the first curve

Find the area of the region that lies inside the first curve and outside the second curve.

Q: Find all solutions of the equation. 4x2 + 9 =

Find all solutions of the equation. 4x2 + 9 = 0

Q: Find all solutions of the equation. x4 = 1

Find all solutions of the equation. x4 = 1

Q: Find all solutions of the equation. x2 + 2x +

Find all solutions of the equation. x2 + 2x + 5 = 0