Q1 of 202 Page 171

Simplify each of the following and express it in the form a + ib :


Given:

We re – write the above equation



[∵ i2 = -1]


= (3 + 4i) – (4 – 3i)


Now, we open the brackets, we get


3 + 4i – 4 + 3i


= -1 + 7i



More from this chapter

All 202 →
15

Prove that n N.

 1

Simplify each of the following and express it in the form a + ib :

2(3 + 4i) + i(5 – 6i)


 1

Simplify each of the following and express it in the form a + ib :

(–5 + 6i) – (–2 + i)


 1

Simplify each of the following and express it in the form a + ib :

(8 – 4i) – (- 3 + 5i)