Find out the correct answer for the unsolved equation based on a certain system.
15 × 15 = 240, 26 × 26 = 702, 29 × 29 = ?1
841
2
812
3
865
4
870
Find out the correct answer for the unsolved equation based on a certain system.
15 × 15 = 240, 26 × 26 = 702, 29 × 29 = ?