Zero and Negative Integral Indices

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Presentation transcript:

Zero and Negative Integral Indices

We have learnt the following laws of indices before: If both m and n are positive integers, then …… Law (1) …… Law (2) …… Law (4) …… Law (5)

1. Simplify the following expressions. 2 2 4 4 So, what are the values of 40 and 50 ? 1

1. Complete the following expressions. 3 2 2 5 -3 2 4 -2 What can you conclude from the above result?

In fact, we have two more laws of indices… Zero and Negative Integral Indices In fact, we have two more laws of indices… Note: 00 is undefined.

Simplify the following expressions and express your answers with positive indices. Solution

Follow-up question Simplify the following expressions and express your answers with positive indices. Solution