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Chapter 1: Q.391 (page 91)

In the following exercises, evaluate the following expressions.

2x2-4xy-3y2whenx=3,y=1.

Short Answer

Expert verified

The value of the expression=3

Step by step solution

01

Step 1. Given information

Expression is2x2-4xy-3y2

andx=3,y=1

02

Step 2. Evaluate the expression

2x2-4xy-3y2=232-431-312Putx=3,=1=18-12-3Simplify=3

Hence, the value of the expression=3

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