Use the method of contrapositive proof to prove the following statements. (In each case you should also think about how a direct proof would work. You will find in most cases that contrapositive is easier.) 1. Suppose ne Z. If n² is even, then n is even.

Q: 6+w=4

A: The give equation is 6 + w = 4To find the value of w.

Q: 3y=45

A: Given information:

Q: L(1-a) ( In =) dz 4 1 L6(1-2) ( In =) dr

A:

Q: 25+2=

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Q: Kindly answer d,e,f and g

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A:

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A: 3+4=7

Q: Let Mbe as in Equation (3.14) and let X = [1, 0, ½]¹. Show that the entries of Y=MX sum to 1.

A: