What is the area of the parallelogram formed by a=(4, 0, 0), b=(0, 5, 0)?
a=(4, 0, 0), b=(0, 5, 0) से बने parallelogram का area क्या है?
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Correct Answer
A. 20
ExplanationStep 1: Identify the concept: area using cross product. Step 2: Parallelogram area is |a×b|. For perpendicular vectors, product is 4×5=20. Step 3: Exam tip: Triangle area is half of this.
Step 1: अवधारणा area using cross product है। Step 2: Parallelogram area |a×b| है। Perpendicular vectors के लिए product 4×5=20। Step 3: याद रखें: Triangle area इसका आधा होता है।