17 Is PQ-R is equivalent to (PR)(QR) or to (PR)(QR) use the path table to confirm...

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17 Is PQ-R is equivalent to (PR)(QR) or to (PR)(QR) use the path table to confirm your answer. 18. H1:PVQ, H2:7PVR, H3:Q→R then conclusion C:QAR. Using truth table prove it. 19. Find a formula for the sum 1(1)(2)+1(2)(3)+,...,+1(n)(n+1). Use mathematical induction to prove your formula is correct. 20. State and prove the fundamental theorem of algebra. 17 Is PQ-R is equivalent to (PR)(QR) or to (PR)(QR) use the path table to confirm your answer. 18. H1:PVQ, H2:7PVR, H3:Q→R then conclusion C:QAR. Using truth table prove it. 19. Find a formula for the sum 1(1)(2)+1(2)(3)+,...,+1(n)(n+1). Use mathematical induction to prove your formula is correct. 20. State and prove the fundamental theorem of algebra.

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1 We have to prove that PQR is equivalent to PRQR PQR ... View the full answer