If \[|\mathbf{a}+\mathbf{b}|\,\,>\,\,|\mathbf{a}-\mathbf{b}|,\] then the angle between a and b is

If \[|\mathbf{a}+\mathbf{b}|\,\,>\,\,|\mathbf{a}-\mathbf{b}|,\] then t

1.	If \[\|\mathbf{a}+\mathbf{b}\|\,\,>\,\,\|\mathbf{a}-\mathbf{b}\|,\] then the angle between a and b is
A.	Acute
B.	Obtuse
C.	\[\frac{\pi }{2}\]
D.	\[\pi \]
Answer» B. Obtuse

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If \[|\mathbf{a}+\mathbf{b}|\,\,>\,\,|\mathbf{a}-\mathbf{b}|,\] then the angle between a and b is

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