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Chapter 1: Q. 208 (page 61)

In the following exercise, evaluate:(a)-awhena=60(b)-bwhenb=-12

Short Answer

Expert verified

Part (a) The solution is-60.

Part (b) The solution is-12.

Step by step solution

01

Part (a) Step 1. Given information

Expression:-awhena=60

02

Part (a) Step 2. Calculation

We have,

substitute 60fora

-a=-60=-60

Therefore, the solution is-60.

03

Part (b) Step 1. Given information

Expression:-bwhenb=-12

04

Part (b) Step 2. Calculation

We have,

substitute -12forb

-b=--12=-12

Therefore, the solution is-12.

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