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```
sir n cube greater than =n. what is the relation
sir n cube greater than =n. what is the relation

```
6 years ago

Mohan Chandar
39 Points
```							We shall prove it by math Induction...

When n=1, n^3=1^3=1=n...

Let K^3 >= k... we shall prove that (K+1)^3 >= k+1...

(k+1)^3 = K^3 + 1 + 3k^2 + 3k
>= K + 3(k+1) + 1
>= 3(k+1) + k+1
>= 4(k+1)
>= k+1.......

Hence proved....
```
6 years ago
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• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions