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Chapter 11: Q65. (page 582)

Evaluate each expression for the given values of the variable.

3n鈭�1;鈥�n=1,2,3,4

Short Answer

Expert verified

The value of the expression is 2,5,8,11 when n=1,2,3,4 respectively.

Step by step solution

01

Step 1. Given Information.

Given expression is 3n鈭�1 and the values of n are 1, 2, 3, 4.

02

Step 2. Calculation.

When :n=1

3n鈭�1=3(1)鈭�13n鈭�1=3鈭�13n鈭�1=2

When n=2:

3n鈭�1=3(2)鈭�13n鈭�1=6鈭�13n鈭�1=5

When n=3:

3n鈭�1=3(3)鈭�13n鈭�1=9鈭�13n鈭�1=8

When n=4:

3n鈭�1=3(4)鈭�13n鈭�1=12鈭�13n鈭�1=11

03

Step 3. Conclusion.

Hence, the value of the expression is 2,5,8,11 when n=1,2,3,4 respectively.

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