Question: Could this be explained step by step showing all working out. So it's easy to understand.+ (b) In a (4, 41) Shamir threshold scheme working

Could this be explained step by step showing all working out. So it's easy to understand.+

(b) In a (4, 41) Shamir threshold scheme working modulo the prime 229, the shares (1, 9), (2, 27), (3, 81), and (4, 243) were given to Alice, Bob, Jerry, and Charles. Calculate the corresponding Lagrange interpolation polynomial p(I) modulo 229; that is, write p(x) = an + air + azr' + agr with ao, a1, a2, a3 E Z22g. Also, identify the secret

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