Which of the following is a tautology? (pv t)A (pv -s)(d- A b) v (d-b-) - (b -d)(p -q) v (-r--q) ^ (-r V p)(q--p) v (-p--pA (q-r)) v (q-r)

We have to show which is the tautology The operation is said to be tautology if all values of…

Answered: v p) (d-A b) v (d-b-) - (b -d pq) v…

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v p) (d-A b) v (d-b-) - (b -d pq) v (-r--q) ^ (Gr V p) p) v (-p-q)

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Question

Which of the following is a tautology?

(pv t)A (pv -s)
(d- A b) v (d-b-) - (b -d)
(p -q) v (-r--q) ^ (-r V p)
(q--p) v (-p--
pA (q-r)) v (q-r)

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