यदि एक समांतर श्रेणी का प्रथम पद $-10$ और अंतिम पद $26$ है,तो इसके प्रथम $13$ पदों का योग क्या होगा?

  • A
    $104$
  • B
    $140$
  • C
    $84$
  • D
    $98$

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