namneetkhattra namneetkhattra
  • 02-12-2019
  • Mathematics
contestada

plz anybody help me to solve this ​

plz anybody help me to solve this class=

Respuesta :

harshapuranik179
harshapuranik179 harshapuranik179
  • 02-12-2019

Answer:

15) c) n(n+1)/√2

16) a) 2500

17) d) none of these

18) b)21

Hope this helps!

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