allery3(x + 4)-কে বিস্তৃত করলে পাওয়া যায়
A3x + 7
Bx + 12
C3x + 4
D3x + 12
Answer & Solution
Correct answer: D. 3x + 12
বণ্টন নিয়ম অনুসারে 3 দিয়ে x এবং 4 উভয়কেই গুণ করা হয়।
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