If \[\sin \alpha ,\cos \alpha \] are the roots of the equation \[a{{x} – McqOptions

MCQOPTIONS

1.	If \[\sin \alpha ,\cos \alpha \] are the roots of the equation \[a{{x}^{2}}+bx+c=0\], then [MP PET 1993]
A.	\[{{a}^{2}}-{{b}^{2}}+2ac=0\]
B.	\[{{(a-c)}^{2}}={{b}^{2}}+{{c}^{2}}\]
C.	\[{{a}^{2}}+{{b}^{2}}-2ac=0\]
D.	\[{{a}^{2}}+{{b}^{2}}+2ac=0\]
Answer» B. \[{{(a-c)}^{2}}={{b}^{2}}+{{c}^{2}}\]

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