MCQ · ঢাকা বিশ্ববিদ্যালয় ভর্তি পরীক্ষা · ২০২২
যদি 2401(7^(−2x)) = 1 হয়, তবে x এর মান কত?
- ক4
- খ3
- গ5
- ঘ2
সঠিক উত্তর: ঘ) 2
ব্যাখ্যা
7^(−2x) = 1/2401 = 7⁻⁴ ⇒ −2x = −4 ⇒ x = 2।
এই বিষয়ের আরও প্রশ্ন
- Which of the following is not a synonym for 'speculate'?
- Identify the sentence with correct punctuation marks:
- She says, "I had a headache yesterday." Which of the following is its indirect speech form?
- What is the antonym of the word 'pernicious'?
- Which of the following words has been properly spelled?
- Those who are vulnerable are _____.
- Rahat will be going to the US, _____ she?
- For myself, I chose the cheapest dish on the menu _____ a mutton chop.