Test-Q-If-a-b-11-2a-3b-i-2j-3k-then-2a-a-b-3b-1-5-2

Question Number 172065 by mnjuly1970 last updated on 23/Jun/22

Test :

Q : If, ∣ \vec{a} \times \vec{b} ∣ = \sqrt{11}, 2 \vec{a} + 3 \vec{b} = \vec{i} + 2 \vec{j} + 3 \vec{k}

then : ∣ 2 \vec{a} + \vec{a} \times \vec{b} + 3 \vec{b} ∣ = ?

1 :: 5 2 :: 3

3 :: 9 4 :: 7

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Answered by greougoury555 last updated on 23/Jun/22

Commented by mnjuly1970 last updated on 23/Jun/22

b r a v o s i r \dots