Permutations & Combinations · Non-negative integer solutions
Let are non-negative integers and . The is equal to:
- (1)121
- (2)124
- (3)144
- (4)169
Video solution coming soon
We're animating every PYQ step by step. Subscribe to get them first.
Video solution coming soon
We're animating every PYQ step by step. Subscribe to get them first.