Math, asked by dram3206, 10 months ago

समांतर श्रेणी एपी - 37 - 33 - 29 के प्रथम 12 पदों का योग ज्ञात कीजिए

Answers

Answered by amritanshu435
4

Step-by-step explanation:

S12 =n/2[2a+(n-1)d]

= 6[-74+44]

=6*-30

=-180

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