Find the sum of 1+8+27+.......+8000
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Find the sum of 1+8+27+.......+8000
Answered by
6
⭐⭐Hello friend...Ur answer is here⤵⤵
⚫ 1+8+27+.....+8000
➡1^3+2^3+3^3+.....+20^3
As we know that summation of n^3={n (n+1)/2}^2
Here n=20
➡ Sum={20 (20+1)/2}^2
➡ Sum=(10×21)^2
➡ Sum=210^2
➡ Sum=44100
I HOPE IT IS HELPFUL TO YOU ☺
⚫ 1+8+27+.....+8000
➡1^3+2^3+3^3+.....+20^3
As we know that summation of n^3={n (n+1)/2}^2
Here n=20
➡ Sum={20 (20+1)/2}^2
➡ Sum=(10×21)^2
➡ Sum=210^2
➡ Sum=44100
I HOPE IT IS HELPFUL TO YOU ☺
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