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- Are the functions are same?
- tyle g(x)=\frac{x^2-9}{x-3}$. Is $f=g$? ===== Answer ===== <WRAP center round red 70%> A //function// is a relation between a set of inputs and a set of permissible output... usually know as //domain of the function//. When we are saying set of input values, it means every el... taken as input. <wrap em>So to define a function, we must first have set of input values.</wrap> Alte
- Its about square root
- uare root of 4 as $(-2)^2=4$. From above examples we see 2 and -2 are square root of 4 but it doesn't mean they must be equal. If we use the extended definition then it means we cannot consider to take square root on both side of equa... and right side of equation may have different answers. But if we consider the first definition then
- Is it difficult to answer? 1−−−0.999…
- ====== Is it difficult to answer? 1−−−0.999… ====== {{ :dyk:1-10-18.jpg?nolink|Is 1=0.999...?}} This ... Most of the student unable to give the correct answer. Well, we cannot predict the exact reason but one simple reason seems to be a lack of logical reasoning.
- What is the value of pi?
- frac{333}{160}$ * (D) None of these ✔ ===== Answer ===== <WRAP center round red 70%> The number π i... ers cannot be written as the ratio of integers or we cannot write it in decimal representation. It is ... ho knows such type of representational of number? we can just imagine it to understand the concept of irrational number. So we use rational approximations of irrational number