In a triangle\[ABC,\]\[a=4,b=3\], \[\angle A={{60}^{o}}\]. Then c is the root of the equation [Roorkee 1993]

In a triangle\[ABC,\]\[a=4,b=3\], \[\angle A={{60}^{o}}\]. Then c is t

1.	In a triangle\[ABC,\]\[a=4,b=3\], \[\angle A={{60}^{o}}\]. Then c is the root of the equation [Roorkee 1993]
A.	\[{{c}^{2}}-3c-7=0\]
B.	\[{{c}^{2}}+3c+7=0\]
C.	\[{{c}^{2}}-3c+7=0\]
D.	\[{{c}^{2}}+3c-7=0\]
Answer» B. \[{{c}^{2}}+3c+7=0\]

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In a triangle\[ABC,\]\[a=4,b=3\], \[\angle A={{60}^{o}}\]. Then c is the root of the equation [Roorkee 1993]

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