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Mathematics
Mathematics
Problem
If
∣
a
∣
=
26
|\mathbf{a}| = \sqrt{26}
∣
a
∣
=
26
,
∣
b
∣
=
7
|\mathbf{b}| = 7
∣
b
∣
=
7
, and
∣
a
×
b
∣
=
35
|\mathbf{a} \times \mathbf{b}| = 35
∣
a
×
b
∣
=
35
, find
a
⋅
b
\mathbf{a} \cdot \mathbf{b}
a
⋅
b
.
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