Question

if X⁷⁸⁷ - X⁷⁸⁶ + K is dividable X + 1 then find value of K

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Answer 1

Given, X⁷⁸⁷ - X⁷⁸⁶ + K is divisible by X + 1

So X = -1 is a solution

Therefore, (1)⁷⁸⁷ - (1)⁷⁸⁶ + K = 0

K = 0