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1. |
The equation whose roots are the \[{{n}^{th}}\] power of the roots of the equation \[{{x}^{2}}-2x\,cos\theta +1=0\] is given by |
A. | \[{{x}^{2}}+2x\,\cos \,\,n\theta +1=0\] |
B. | \[{{x}^{2}}-2x\,\cos \,\,n\theta +1=0\] |
C. | \[{{x}^{2}}-2x\,sin\,\,n\theta +1=0\] |
D. | \[{{x}^{2}}+2x\,sin\,\,n\theta +1=0\] |
Answer» C. \[{{x}^{2}}-2x\,sin\,\,n\theta +1=0\] | |