$\int {{e^{{{\cos }^2}x}}\sin 2x\,dx = }$

  • A
    ${e^{{{\cos }^2}x}} + c$
  • B
    $-{e^{{{\cos }^2}x}} + c$
  • C
    $\frac{1}{2}{e^{{{\cos }^2}x}} + c$
  • D
    इनमें से कोई नहीं

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