x/(x-5) + x/(x+2) = 2 হলে, x = ?

A 20/3

B 10/3

C - 10/3

D -20/3

Solution

Correct Answer: Option D

{x/(x-5)}+{x/(x+2)}=2
or,(x²+2x+x²-5x)/{(x-5)(x+2)=2
or,(2x²-3x)/{(x-5)(x+2)=2
or,2x²-3x/(x²+2x-5x-10)=2
or,2x²-3x/(x²-3x-10)=2
or,2x²-6x-20=2x²-3x
or,-3x=20
∴ x=-20/3

Solution

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