Let a=i^+4j^+2k^,b=3i^−2j^+7k^and c=2i^−j^+4k^. Find a vector dwhich is perpendicular to both aand band c. d=15.

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Let {{a}}={{i}}+{4}{{j}}+{2}{{k}},{{b}}={3}{{i}}-{2}{{j}}+{7}{

Question

Let $a = \hat{i} + 4 \hat{j} + 2 \hat{k}, b = 3 \hat{i} - 2 \hat{j} + 7 \hat{k}$ and $c = 2 \hat{i} - \hat{j} + 4 \hat{k}$ . Find a vector $d$ which is perpendicular to both $a$ and $b$ and $c$ . $d = 15$ .

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Olivia Discussed

Let

a = \hat{i} + 4 \hat{j} + 2 \hat{k}, b = 3 \hat{i} - 2 \hat{j} + 7 \hat{k}

and

c = 2 \hat{i} - \hat{j} + 4 \hat{k}

. Find a vector

d

which is perpendicular to both

a

and

b

and

c

d = 15

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Question Text

Let

a = \hat{i} + 4 \hat{j} + 2 \hat{k}, b = 3 \hat{i} - 2 \hat{j} + 7 \hat{k}

and

c = 2 \hat{i} - \hat{j} + 4 \hat{k}

. Find a vector

d

which is perpendicular to both

a

and

b

and

c

d = 15