If a and b are vectors such that ∣∣a+b∣∣=29 and a×(2i^+3j^+4k^)=(2i^+3j^+4k^)×b, then a possible value of \displaystyle{\left(\vec{{a}}+\vec{{b}}\right)}\cdot{\left(-{7}\vec{{i}}+{2}\hat{{j}}+{3}{\hat}\right)} is

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If {{a}} and {{b}} are vectors such that {|{{a}}+{{b}}|}={{29}

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If $a$ and $b$ are vectors such that $∣ ∣ a + b ∣ ∣ = 29$ and $a \times (2 \hat{i} + 3 \hat{j} + 4 \hat{k}) = (2 \hat{i} + 3 \hat{j} + 4 \hat{k}) \times b$ , then a possible value of \displaystyle{\left(\vec{{a}}+\vec{{b}}\right)}\cdot{\left(-{7}\vec{{i}}+{2}\hat{{j}}+{3}{\hat}\right)} is

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Emma Discussed

a

and

b

are vectors such that

∣ ∣ a + b ∣ ∣ = 29

and

a \times (2 \hat{i} + 3 \hat{j} + 4 \hat{k}) = (2 \hat{i} + 3 \hat{j} + 4 \hat{k}) \times b

, then a possible value of \displaystyle{\left(\vec{{a}}+\vec{{b}}\right)}\cdot{\left(-{7}\vec{{i}}+{2}\hat{{j}}+{3}{\hat}\right)} is

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Question Text	If $a$ and $b$ are vectors such that $∣ ∣ a + b ∣ ∣ = 29$ and $a \times (2 \hat{i} + 3 \hat{j} + 4 \hat{k}) = (2 \hat{i} + 3 \hat{j} + 4 \hat{k}) \times b$ , then a possible value of \displaystyle{\left(\vec{{a}}+\vec{{b}}\right)}\cdot{\left(-{7}\vec{{i}}+{2}\hat{{j}}+{3}{\hat}\right)} is
Answer Type	Video solution: 1
Upvotes	150