HSC II YEAR UNIT 2 COMPLEX NUMBER

• 1

• 2

• 3

• 5

• 1/2

• 1

• 2

• 3

i^{n +} iⁿ⁺¹ +iⁿ⁺² +i^{n+3 is}

• 0

• 1

• -1

• i

• 1+i

• i

• 1

• 0

the area of the triangle formed by the complex numbers z,iz,and z+iz in the argand's diagram is

• 1\2|z|²

• |z|²

• 3\2|z|²

• 2|z|²

the conjugate of a complex numbers is 1\i-2 then, the complex number is

• 1\i+2

• -1\i+2

• -1\i-2

• 1\i-2

Tags

CCSS.HSN.CN.A.3

• 0

• 1

• 2

• 3

if |z|= 1 ,then the value of 1+z\1+̅z is

• z

• ̅z

• 1\z

• 1

if |z-2+i | ≤ 2,then the greatest value of |z| is

• √3 - 2

• √3 + 2

• √5 - 2

• √5+2

the solution of the equation |z|-z=1+2i is

• 3\2-2i

• -3\2+2i

• 2-3\2i

• 2+3\2i