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If (f(x)=x^2) and (g(x)=2x), what is the minimum value of ((f+g)(x))?यदि (f(x)=x^2) और (g(x)=2x) हों, तो ((f+g)(x)) का minimum value क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (-1)(-1)
((f+g)(x)=x^2+2x=(x+1)^2-1), so the minimum value is (-1). Completing the square helps find the minimum of a quadratic.((f+g)(x)=x^2+2x=(x+1)^2-1), इसलिए minimum value (-1) है। complete square से quadratic का minimum आसानी से मिलता है।
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