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If , , and , then is equal…
MATHEMATICS · Single correct · A Level · Mathematics · Vectors · Vectors
Problem
If
a
=
i
^
+
j
^
+
k
^
\mathbf{a} = \hat{i} + \hat{j} + \hat{k}
a
=
i
^
+
j
^
+
k
^
,
b
=
i
^
+
j
^
\mathbf{b} = \hat{i} + \hat{j}
b
=
i
^
+
j
^
,
c
=
i
^
\mathbf{c} = \hat{i}
c
=
i
^
and
(
a
×
b
)
×
c
=
λ
a
+
μ
b
(\mathbf{a} \times \mathbf{b}) \times \mathbf{c} = \lambda \mathbf{a} + \mu \mathbf{b}
(
a
×
b
)
×
c
=
λ
a
+
μ
b
, then
λ
+
μ
\lambda + \mu
λ
+
μ
is equal to (1) 0 (2) 1 (3) 2 (4) 3
Related theory
Vector Operations
Vectors
Cross Product
Vector product
Vector Algebra
Cross product of two vectors
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