सदिशों के प्रयोग से त्रिभुज ABC का क्षेत्रफल ज्ञात कीजिए, यदि जिसके शीर्ष (A1, 2, 3), B(2, -1, 4...

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सदिशों के प्रयोग से त्रिभुज ABC का क्षेत्रफल ज्ञात कीजिए, यदि जिसके शीर्ष (A1, 2, 3), B(2, -1, 4) और C(4, 5, -1) है |
Class: 12
Subject: MATHS
Chapter: दो सदिशों का सदिश गुणनफल
Board:Bihar Board

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