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Chapter 2: Q. 172 (page 144)

Solve the formulaA=12d1d2ford2.

Short Answer

Expert verified

The solution ford2is asd2=2Ad1.

Step by step solution

01

Step 1. Given information 

The given formula isA=12d1d2.

02

Step 2. Simplify the formula.  

Multiply both sides of the formula by 2and simplify as shown below:

A=12d1d22脳A=12d1d2脳22A=d1d2

03

Step 3. Simplify further the formula resulted as 2A=d1d2.

Divide both sides of formula by d1and simplify as shown below:

2A=d1d22Ad1=d1d2d1d2=2Ad1

04

Step 4. Final answer 

The solution ford2is asd2=2Ad1.

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