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If \(2|x|+x^2\neq{0}\), what is the value of \( \frac{1}{2|x|+x^2}\)?
(1) \(|x|=x^2\)
(2) \(\frac{|x|}{x}>0\)
Chetan's question
(1) \(|x|=x^2\)
(2) \(\frac{|x|}{x}>0\)
Chetan's question
13 Dec 2019, 22:43
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chetan2u
If \(2|x|+x^2\neq{0}\), what is the value of \( \frac{1}{2|x|+x^2}\)?
(1) \(|x|=x^2\)
(2) \(\frac{|x|}{x}>0\)
Chetan's question
(1) \(|x|=x^2\)
(2) \(\frac{|x|}{x}>0\)
Chetan's question
\(2|x|+x^2\neq{0}\)
this implies \(x\neq{0}\)
1 => x can be -1, 0 or 1
since x cannot be 0 x can be -1 or 1
both the values give same result for \( \frac{1}{2|x|+x^2}\)
2 => \(x >=1\)
IMO, Answer is A
14 Dec 2019, 02:49
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chetan2u
If \(2|x|+x^2\neq{0}\), what is the value of \( \frac{1}{2|x|+x^2}\)?
(1) \(|x|=x^2\)
(2) \(\frac{|x|}{x}>0\)
Chetan's question
Absolute Value of x is required(1) \(|x|=x^2\)
(2) \(\frac{|x|}{x}>0\)
Chetan's question
(1) possible values of x are -1 and 1. Sufficient
(2) |x|/x>0, x can be any positive number. Insufficient
IMO A
