ICSE Class 10 Answered
I=pxn(n+1)/2x12xr/100
1000xn(n+1)/24x10/100=5550
100n(n+1)/24=5550
n(n+1)=1332
I have also got this answer can u plz explain me how u got n =36 and 37 from which number u have divided to get this number
Asked by bejibickey8482.10sdatl | 26 Apr, 2020, 01:41: PM
Expert Answer
n(n+1)=1332
→ n2 + n - 1332 = 0
→ n2 + 37n - 36n - 1332 = 0
→ n(n + 37) - 36(n + 37) = 0
→ (n + 37)(n - 36) = 0
→ n = -37 or n = 36
Answered by Yasmeen Khan | 26 Apr, 2020, 04:01: PM
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