MCQ · কৃষি গুচ্ছ সমন্বিত ভর্তি পরীক্ষা · ২০২৩
y=3x²+2x-1 বক্ররেখার (2, 0) বিন্দুতে ঢাল কত?
- ক0
- খ8
- গ14
- ঘ16
সঠিক উত্তর: গ) 14
ব্যাখ্যা
dy/dx = 6x + 2; x = 2 এ ঢাল 14।
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