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Mathematics
Mathematics
Problem
If
a
+
b
\mathbf{a} + \mathbf{b}
a
+
b
is along the angle bisector of
a
\mathbf{a}
a
and
b
\mathbf{b}
b
, where
∣
a
∣
=
λ
∣
b
∣
|\mathbf{a}| = \lambda |\mathbf{b}|
∣
a
∣
=
λ
∣
b
∣
, then the value of
λ
\lambda
λ
is
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