# Express each of the complex number in the exercises 1 to 10 in the form a + ib : (5i)(-3/5i)

**Solution:**

The given complex number is,

(5i)(-3/5i) = 5i x -3/5 x i

= - 3i² [∵ i² = - 1]

= - 3 x (- 1)

= 3

= 3 + i0

NCERT Solutions Class 11 Maths Chapter 5 Exercise 5.1 Question 1

## Express each of the complex number in the exercises 1 to 10 in the form a + ib : (5i)(-3/5i)

**Summary:**

A complex number is given. We have expressed the given complex number in the standard form to be 3 + i0.