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$\int {\frac{{{{\sin }^8}\,x - {{\cos }^8}\,x}}{{\left( {1 - 2\,{{\sin }^2}\,x\,{{\cos }^2}\,x} \right)}}} dx $ મેળવો. 

• A
  $\frac{1}{2}\,\sin \,2x + c$
• B
  $-\frac{1}{2}\,\sin \,2x + c$
• C
  $-\frac{1}{2}\,\sin \,x + c$
• D
  $ - \sin {^2}\,x + c$