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Vector product

Chapter: Vector Algebra

Question 1 of 2 NDA MCQ

Let a = î + ĵ + k̂ and

b = αî + βĵ + 2k̂.

If a × (b × a) = αî + βĵ − γk̂,

then what is the value of

α + β + γ ?

Detailed Explanation

Question 2 of 2 NDA MCQ

What is 3a + 2b equal to if is a null vector?

Detailed Explanation

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