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Asked by g_archanasharma | 06 Apr, 2019, 13:55: PM
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g(x) = x+(1/x)  is not an injective,   because g(a) = g(1/a)  where  a begin mathsize 12px style element of end style(0, ∞)
 
h(x) = x2 +4x -5 is not an injective, because h(-5) = h(1) = 0
Answered by Thiyagarajan K | 07 Apr, 2019, 15:48: PM

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