यदि (f(x)=x-2-4x+1) है, तो (f(x)) की न्यूनतम वैल्यू क्या है?
If (f(x)=x-2-4x+1), what is the minimum value of (f(x))?
Explanation opens after your attempt
A. ( -3)
Concept
(x-2-4x+1=(x-2)2-3), so the minimum is (-3). In exams convert the quadratic into a perfect square.
Why this answer is correct
The correct answer is A. ( -3). (x-2-4x+1=(x-2)2-3), so the minimum is (-3). In exams convert the quadratic into a perfect square.
Exam Tip
(x-2-4x+1=(x-2)2-3), इसलिए न्यूनतम (-3) है। परीक्षा में (x) के वर्ग को पूर्ण वर्ग में बदलें।
Login to save your score, XP, coins and progress.
