Given that vector a = 3i – 6j, find /a/.
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Answer:
/a/ = 3√5
Step-by-step explanation:
==: a = 3i – 6j
==: /a/ = √3² + 6²
==: /a/ = √9 + 36
==: /a/ = √45
==: /a/ = 3√5
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