{"@context":"https://schema.org/","@type":"Quiz","dateCreated":"2026-05-01T07:06:32.885Z","dateModified":"2026-05-01T07:06:32.885Z","typicalAgeRange":"11-18","educationalLevel":"KEAM","assesses":"Mathematics - Product of Two Vectors","educationalAlignment":[{"@type":"AlignmentObject","alignmentType":"educationalTopic","targetName":"Product of Two Vectors"},{"@type":"AlignmentObject","alignmentType":"educationalSubject","targetName":"Mathematics"},{"@type":"AlignmentObject","alignmentType":"educationalExam","targetName":"KEAM"}],"name":"Quiz about Product of Two Vectors","about":{"@type":"Thing","name":"Mathematics - Product of Two Vectors"},"hasPart":[{"@type":"Question","eduQuestionType":"Multiple choice","learningResourceType":"Practice problem","educationalLevel":"intermediate","name":"Question About Product of Two Vectors","text":"If $$ |\\vec{a}|=3, |\\vec{b}|=1, |\\vec{c}|=4 $$ and $$ \\vec{a}+\\vec{b}+\\vec{c}=0 $$, then the value of $$ \\vec{a}\\cdot\\vec{b} + \\vec{b}\\cdot\\vec{c} + \\vec{c}\\cdot\\vec{a} $$ is}","encodingFormat":"text/markdown","comment":{"@type":"Comment","text":"Always square vector sum when given zero vector condition."},"suggestedAnswer":[{"@type":"Answer","position":0,"encodingFormat":"text/markdown","text":"

\$ 13 \$

","comment":{"@type":"Comment","text":"\"\""}},{"@type":"Answer","position":1,"encodingFormat":"text/markdown","text":"

\$ 26 \$

","comment":{"@type":"Comment","text":"\"\""}},{"@type":"Answer","position":2,"encodingFormat":"text/markdown","text":"

\$ -29 \$

","comment":{"@type":"Comment","text":"\"\""}},{"@type":"Answer","position":3,"encodingFormat":"text/markdown","text":"

\$ -13 \$

","comment":{"@type":"Comment","text":"\"\""}},{"@type":"Answer","position":4,"encodingFormat":"text/markdown","text":"

\$ -26 \$\n\n

","comment":{"@type":"Comment","text":"\"\""}}],"acceptedAnswer":{"@type":"Answer","position":3,"encodingFormat":"text/markdown","text":"

\$ -13 \$

","comment":{"@type":"Comment","text":"Always square vector sum when given zero vector condition."},"answerExplanation":{"@type":"comment","text":""}}}]}

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The Correct Option is D

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