# The value of where i= √-1 is

1.  i

2.  i=-1

3.  –i

4.  0

4

i=-1

Explanation :
No Explanation available for this question

# (1-i)(1+2i)(1-3i)=

1.  -6i

2.  8-6i

3.  6-8i

4.  6+8i

4

6-8i

Explanation :
No Explanation available for this question

# The multiplicative inverse of (4+3i) is

1.  (3/25, 4/25)

2.  (3/25, -4/25)

3.  (-3/25,-4/25)

4.  (-3/25,4/25)

4

(3/25, -4/25)

Explanation :
No Explanation available for this question

# The multiplicative inverse of (4+3i) is

1.  4/25+(3/25)i

2.  4/25-(3/25)i

3.  -4/25+(3/25)i

4.  -4/25-(3/25)i

4

4/25-(3/25)i

Explanation :
No Explanation available for this question

# The multiplicative inverse of (3+4i)i/25 is

1.  4+3i

2.  4-3i

3.  -4-3i

4.  -4+3i

4

-4-3i

Explanation :
No Explanation available for this question

# Express 1/ 4-5i in the form of a+ ib

1.  46+27i

2.  46-27i

3.  -46+27i

4.  -46-9i

4

-46-9i

Explanation :
No Explanation available for this question

# Express  1/(4-5i) in the form of a+ib

1.  4/41+(5/41)i

2.  3/41+(4/41)i

3.  2/41+(3/41)i

4.  none

4

4/41+(5/41)i

Explanation :
No Explanation available for this question

# Express 2-3i/ 1+i in the form of a+ib

1.  1/2 – (5/2)i

2.  -1/2 – (5/2)i

3.  - 1/2 + (5/2)i

4.  1/2 + (5/2)i

4

-1/2 – (5/2)i

Explanation :
No Explanation available for this question

# Express (3-2i/ 5+4i)+ (3+2i/ 5-4i) in the form of a+ib

1.  (14/41)+i.0

2.  15+i.0

3.  14-i.0

4.  15-i.0

4

(14/41)+i.0

Explanation :
No Explanation available for this question

# Express (a+ib/ a-ib)+(a-ib/ a+ib) in the form of a+ib

1.  (a2+b2)/( a2 -b2)

2.  (a2-b2)/( a2 +b2)

3.  2 (a2+b2)/( a2 -b2)

4.  2(a2-b2)/( a2 +b2)

4