alleryযিকোনো এটা ছেটৰ উপাদানসমূহ থকা সংযুক্ত অঞ্চলটোক কোনটো গাণিতিক পদৰ দ্বাৰা বুজোৱা হয়?
Aপ্ৰতিসম পাৰ্থক্য
Bপূৰক ছেট
Cছেটৰ সংযোগ
Dছেদন
Answer & Solution
Correct answer: C. ছেটৰ সংযোগ
দুটা ছেটৰ সংযোগত সংশ্লিষ্ট ছেটবোৰৰ অন্ততঃ এটাত থকা সকলো উপাদান অন্তৰ্ভুক্ত থাকে।
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