Let p: The day is Tuesday.
2 answers:
It's definitely D: (p ∨ q) ↔ <span>r</span>
Answer:
The relation that denotes the condition:
"The day is Tuesday or Thursday if and only if she comes to work” is given by:
p∨q↔r
Hence, option D is true.
Step-by-step explanation:
Let p: The day is Tuesday.
q: The day is Thursday.
r: She comes to work.
the day is Tuesday or Thursday is denoted by: p∨q
Hence the condition which represents that "The day is Tuesday or Thursday if and only if she comes to work”
is: p∨q↔r
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Step-by-step explanation:
16 = 2 *2 * 2 * 2 = 2⁴
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x⁴ - 16y⁴ = x⁴ - (2y)⁴
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{Use identity = a² -b² =(a +b)(a- b). Here a =x² & b =(2y)²}
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