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Grade: 10
        
How do I solve this problem? 
Ans : Option 1
Please help
8 months ago

Answers : (1)

Vikas TU
11138 Points
							
Dear student 
Let us assume that Req = x 
Just left first 1 ohm and because it is infinite series , x will come in parallel to 1 ohm 
We can write 
x = x/x+1  + 1 
Simplify this 
2x + 1 = x^2 +x 
x^2 – x -1 =0 
The roots of this equation is :
1+sqrt(5)  / 2 
A is correct 
8 months ago
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