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Mathematics
Problem
Vectors along the adjacent sides of parallelogram are
a
=
i
^
+
2
j
^
+
k
^
\mathbf{a} = \hat{i} + 2\hat{j} + \hat{k}
a
=
i
^
+
2
j
^
+
k
^
and
b
=
2
i
^
+
4
j
^
+
k
^
\mathbf{b} = 2\hat{i} + 4\hat{j} + \hat{k}
b
=
2
i
^
+
4
j
^
+
k
^
. Find the length of the longer diagonal of the parallelogram.
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