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Question 19=? Tuffest questions i have found! !! Soln????..........

Question 19=? Tuffest questions i have found! !! Soln????..........

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1 Answers

Pooja
127 Points
2 years ago
Given that x +b/x= a
Hence x2 +b =ax..........(1)
And x3 + bx = ax2..........(2)
 
Also x3=a+1
Substituting value in en(2)
 a + 1 + bx = ax2
Substituting value of x2 from eq(1)
a + 1 +bx= a(ax-b)
a + 1 +bx = a2x -ab
a2x - bx = ab + a + 1
x=(ab+a+1)÷(a2-b)
 
Ans is option C
 
 
 

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