write in set builder form
C={7,7²,7³,7⁴}
Answers
Answer:
C = {x | x = 7ⁿ , n ∈ N, n < 5}
Step-by-step explanation:
Here, elements are given in the form of of powers of 7 till 4
So, I assigned a them as natural number which less then 5. So that, they will end up till 4
Substituting n as natural number we get the given question.
❖ Extra information :
⟡ What is a Set - builder form?
=> Set builder notation is a mathematical notation of describing a set by listing its elements or demonstrating its properties that its members must satisfy.
It is represented by => If A is any set, then
A = {x | x = condition for elements in the set}
⟡ What is a Roster form?
=> All the elements of a set are listed, the elements are being separated by commas and are enclosed within braces { }. In other words, elements of the set are just noted down in the curly brackets separated by commas.
It is represented by => If B is any set and a, b, c and d are the elements, then
B = {a, b, c, d}
Hope it helps!