Math, asked by ashishsharmadata12, 8 months ago

10. अनुक्रम 999,995, 991, 987, ... का प्रथम ऋणात्मक पद ज्ञात करें।​

Answers

Answered by meenurana8696
2

Answer:

a=999,d=995-999=-4

an<0

a+(n-1)d<0

999+(n-1)-4<0

(n-1)-4<-999

(n-1)<999/4

(n-1)<249.75

n<249.75+1

n<250.75

so n=251

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