Math, asked by gautamthool47, 1 month ago

S75=5625 , d= 2
, find a

Answers

Answered by cheerfullmind

0

Answer:

a= 5625

Step-by-step explanation:

Sn =n/2[2a+(n-1) *d]S75=75/2[2*1+(75-1) *2]S75=75/2[2+148]S75=75/2*150S75=5625.

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