সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
Which of the following describes all values of x for which 1 - x2 ≥ 0?
Which of the following describes all values of x for which 1 - x2 ≥ 0?
- ক. x ≥ 1
- খ. x ≤ - 1
- গ. 0 ≤ x ≤ 1
- ঘ. x ≤ - 1 or x ≥ 1
সঠিক উত্তরঃ 0 ≤ x ≤ 1
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