jdstowe5747 jdstowe5747

26-04-2024
Mathematics

Answered

If (20)¹⁹ + 2(21)(20)¹⁸ + 3(21)² (20)¹⁷ + ….… +20(21)¹⁹ = k(20)¹⁹, then k is equal to_________.

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