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Chapter 9: Q 446. (page 1124)

Simplify:

a) -83

b) -814

c)-325

Short Answer

Expert verified

a) -83=-2

b) -814=NA

c)-325=-2

Step by step solution

01

Part (a) Step 1: Given Information

The given expression is-83.

02

Part (a) Step 2: Simplification

As-8=-23

Expression becomes -233

Simplifying gives-2

03

Part (b) Step 1: Given Information

The given expression is-814

04

Part (b) Step 2: Simplification

Fourth power of any number cannot be equal to a negative number.

Hence, no real number exists.

05

Part (c) Step 1: Given Information

The given expression is-325.

06

Part (c) Simplification

As -25=-32

Expression becomes -255

Simplifying gives-2

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