Obtain the CNF of the Boolean expression
To obtain the Conjunctive Normal Form (CNF) of the given Boolean expression: \[ X(x_1, x_2, x_3) = x_2 \vee (x_1 \wedge \neg x_3) \] ### Step 1: ___ _____ ________ ___ _______ ____ ________ ________ _________ _______ _______ ________.
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Obtain the CNF of the Boolean expression
Using the principle of mathematical induction show that the sum of the cubes of three successive positive integers is divisible by 9.
Can the following figures be drawn without lifting the pen from paper and without covering any line segment more than once? Give reasons in support of your answers. 
Check whether the graphs in Fig. 2 are planar or not. If yes, give their plane drawing, otherwise give a or
subdivision.
Let
Look at the following pattern:
(i) How many ′ + ′ signs should be there in the box?
(ii) What are the smallest and largest integers in the box?
Find out which of the following are propositions and which are not. Give reasons for your answers.
(i) There are a total of 8 questions in this assignment.
(ii) Wow, it’s a beautiful evening!
(iii) I am not sure whether I can run as fast as you can.
(iv) The set {2, −1, 2, −1, 2, −1, … } is unbounded.
(v) The set ℕ of natural numbers is equivalent to the set ℤ of integers.
(vi) Rajasthan is the largest state in area among the Indian states and union territories.