If 2x + (3x + y)i = 4 + 10i, then the value of x and y are
2, 3
2, 4
4, 2
3, 2
Find the modulus of sin α - i cos α
sin2α
Cos2α
1
2
Find the value of x and y if 2x + ( 3 x + y) i = 4 + 10 i
x = 4, y = 2
x = 2, y = 4
x = 4, y = 3
x = 3, y = 2
The multiplicative inverse of 2+2i is
1/2 - 1/2 i
1/4 - 1/4 i
1/2 - 1/4 i
1/4 - 1/2 i
The conjugate of (6 + 5i)2 is
11 - 60 i
- 11 - 60 i
11 + 60 i
- 11 + 60 i
Find the modulus of ( 3 + 4i) ( 4+i)
5√17
√17
2√17
3√17
Express in the form b or bi, where b is a real number.
2(√5 + √3)
√5 + √3
2(√5 - √3)
2(√5+√3)i
Write the conjigate of i3
- i3
-i
i
i2
The multiplicative inverse of
1 + 1/2 i
7
7 i
-7
- 7i