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Chapter 8: Q. 8.1TI (page 745)

Simplify:(a)-64(b)225

Short Answer

Expert verified

The solution for (a) and (b) are-8and15respectively.

Step by step solution

01

Part (a). Step 1. Given information

The root:-64

02

Part (a). Step 2. Calculation

We have,

-64=-8

Since, 82=64and the negative is in front of the radical sign.

Therefore, the solution is-8

03

Part (b). Step 1. Given information

The root:225

04

Part (b). Step 2. Calculation

We have,

225=15

Since, 152=225

Therefore, the solution is15

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