4 Questions
If ๐ธ = {47,48,49,50} and๐น = {48,50,49,47},then ๐ธ โฉ ๐น is equal to:
E, F and ๐ธ โช F
The conjugate of (1 โ ๐)(3๐ + 2) would be:
(1 + ๐)(3๐ โ 2)
Which of the following is polynomial:
C
Choose the best Answers
B
Study Notes
Set Operations
- ๐ธ = {47, 48, 49, 50} and ๐น = {48, 50, 49, 47} are two sets.
- The intersection of two sets, denoted by โฉ, contains elements common to both sets.
- Hence, ๐ธ โฉ ๐น = {47, 48, 49, 50} = ๐ธ = ๐น, since both sets contain the same elements.
Complex Numbers
- The conjugate of a complex number is obtained by changing the sign of the imaginary part.
- The conjugate of (1 โ ๐)(3๐ + 2) can be found by applying the distributive property and then changing the sign of the imaginary part.
Polynomials
- A polynomial is an expression consisting of variables (such as ๐ฅ or ๐ฆ) and coefficients (such as numbers) combined using only addition, subtraction, and multiplication.
- The terms of a polynomial are separated by PLUS signs, and each term contains a variable raised to a non-negative integer power.
Test your knowledge on set theory by finding the intersection of two sets. In this case, you need to determine the common elements between sets E and F. Pay attention to the order of elements and set notation.
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