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a,7,b,23,c समान्तर श्रेणी में हों तो …

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a,7,b,23,c समान्तर श्रेणी में हों तो a,b,c का मान ज्ञात करो??
  • 1 answers

Teacher Ji 5 years, 10 months ago

a+d=7 _(1) a+3d=23 (2) _ _ _ -2d=-16 d=8 a+8=7 a=7-8 =-1 a=-1 b=15 c=31
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