यदि $2 \cos \theta + \sin \theta = 1$ $\left( \theta \neq \frac{\pi}{2} \right)$ है,तो $7 \cos \theta + 6 \sin \theta$ का मान ज्ञात कीजिए।

  • A
    $1/2$
  • B
    $46/5$
  • C
    $11/2$
  • D
    $2$

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