ঢাকা দক্ষিণ সিটি কর্পোরেশন || হিসাব সহকারী (09-12-2023) || 2023
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Created:
4 weeks ago
|
Updated:
1 week ago
পিতা ও মাতা বয়সের সমষ্টি
= (৪৫ ২) বছর = ৯০ বছর
পিতা, মাতা ও পুত্রের বয়সের সমষ্টি
= (৩৬ ৩) বছর = ১০৮ বছর
পুত্রের বয়স = (১০৮ - ৯০) = ১৮ বছর।
১০ বছর পরে পুত্রের বয়স (১৮ + ১০) বছর বা ২৮ বছর।
Created:
4 weeks ago
|
Updated:
1 week ago
4x2+9y2
= (2x)2 + (3y)2
= (2x+3y)2-2. 2x. 3y
= (2x + 3y)2 - 12xy
∴ 4x2+9y2 + 12xy = (2x + 3y)2
Created:
4 weeks ago
|
Updated:
6 hours ago
Created:
4 weeks ago
|
Updated:
6 hours ago
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