Answer: Answered.
Step-by-step explanation: We are given to define principal investment in maths.
In Mathematics, principal investment is defined as the total amount of money invested or borrowed that does not include any interest or dividends.
Or, principal is also used to refer to the original amount of an investment, separate from any earnings or interest involved.
For example,
if Rahul invests Rs. 5000 at a rate of 20% for 3 years, then Simple interest will be
But the principal investment i same, Rs. 5000.