Question
Mathematics Question on Statements
The contrapositive of the statement "If x2−1=0, then x=−1 or x=+1 " is
A
If x2−1=0, then x=−1 or x=+1
B
If x2−1=0, then x=−1 and x=+1
C
If x=−1 or x=+1, then x2−1=0
D
If x=−1 and x=+1, then x2−1=0
Answer
If x=−1 and x=+1, then x2−1=0
Explanation
Solution
Answer (d) If x=−1 and x=+1, then x2−1=0