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If 1/(x(x+1))+1/((x+1)(x+2))=1/(x+1), what is the value of x

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If 1/(x(x+1))+1/((x+1)(x+2))=1/(x+1), what is the value of x

by Max@Math Revolution » Sat Aug 20, 2016 11:04 pm
If 1/(x(x+1))+1/((x+1)(x+2))=1/(x+1), what is the value of x?
A. √2
B. ±√2
C. 1
D. 2
E. √5

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by Max@Math Revolution » Mon Aug 22, 2016 6:50 pm
If we solve the question, we get x=±√2.
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