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Question

Mathematics Question on Statements

The contrapositive of the statement "If x21=0x^2 - 1 = 0, then x=1x = -1 or x=+1x = + 1 " is

A

If x210x^2 - 1 \neq 0, then x1x \neq - 1 or x+1x \neq + 1

B

If x210x^2 - 1 \neq 0, then x1x \neq - 1 and x+1x \neq + 1

C

If x1x \neq - 1 or x+1x \neq + 1, then x210x^2 - 1 \neq 0

D

If x1x \neq - 1 and x+1x \neq + 1, then x210x^2 - 1 \neq 0

Answer

If x1x \neq - 1 and x+1x \neq + 1, then x210x^2 - 1 \neq 0

Explanation

Solution

Answer (d) If x1x \neq - 1 and x+1x \neq + 1, then x210x^2 - 1 \neq 0