Show that the statement p: If x is a real number such that $x^{3} + 4 x = 0$ . then x is 0 is true by(i) direct method, (ii) method of contradiction,(iii) method of contrapositive.

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Show that the statement p: If x is a real number such that

x^{3} + 4 x = 0

. then x is 0 is true by(i) direct method, (ii) method of contradiction,(iii) method of contrapositive.

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Question Text

Show that the statement p: If x is a real number such that

x^{3} + 4 x = 0

. then x is 0 is true by(i) direct method, (ii) method of contradiction,(iii) method of contrapositive.

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