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If (f:\mathbb{R}^{+}\to\mathbb{R}^{+}), (f(x)=x^2), where (\mathbb{R}^{+}) is the set of positive real numbers, what type is (f)?यदि (f:\mathbb{R}^{+}\to\mathbb{R}^{+}), (f(x)=x^2), जहाँ (\mathbb{R}^{+}) धन वास्तविक संख्याओं का समुच्चय है, तो (f) कैसा है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: One-oneएकैकी
Step 1: In positive real numbers, the opposite negative partner is not included. Step 2: If (a,b>0) and (a^2=b^2), then (a=b). Step 3: Changing the domain can change one-one property, so read the domain carefully.चरण 1: धन वास्तविक संख्याओं में विपरीत ऋणात्मक साथी शामिल नहीं होता। चरण 2: यदि (a,b>0) और (a^2=b^2), तो (a=b)। चरण 3: प्रांत बदलने से एकैकीता बदल सकती है, इसलिए प्रांत ध्यान से पढ़ें।
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