Easy Math Class 12 Level 2

Can function f(x)=x^2 be considered one-one on real numbers?

Function f(x)=x^2 को real numbers पर one-one माना जा सकता है क्या?

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Correct Answer

B. नहीं क्योंकि f(1)=f(-1) / No because f(1)=f(-1)

Explanation

Step 1: Identify the concept: this is a one-one function test. Step 2: f(1)=1 and f(-1)=1 so two different inputs give same output. Step 3: In one-one functions different inputs must have different outputs.

Step 1: concept पहचानें: यह one-one function test है। Step 2: f(1)=1 और f(-1)=1 होने से दो अलग inputs का same output आता है। Step 3: One-one में अलग inputs के outputs अलग होने चाहिए।

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