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If (f:\mathbb{R}\to\mathbb{R}) and (f(x)=x^2+x+1), which pair gives the same value?यदि (f:\mathbb{R}\to\mathbb{R}) तथा (f(x)=x^2+x+1) हो तो कौन सा युग्म समान मान देता है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (0) and (-1)(0) और (-1)
Step 1: (f(0)=1). Step 2: (f(-1)=1-1+1=1), while (0\neq-1). Step 3: A quadratic function can give equal values on both sides of its axis.चरण 1: (f(0)=1) है। चरण 2: (f(-1)=1-1+1=1) है जबकि (0\neq-1)। चरण 3: द्विघात फलन के लिए धुरी के दोनों ओर समान मान मिल सकते हैं।
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