Inequality with Max. and Min.value.

In summary, inequality with maximum and minimum value is a mathematical concept that represents a range of possible values for a variable using comparison symbols. It is used in various fields to represent constraints or limitations and can be solved through algebraic techniques. It differs from absolute value, which represents the distance of a number from zero on a number line. An inequality with maximum and minimum value can have multiple solutions due to the continuous nature of the possible values.
  • #1
man111
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Homework Statement



If [tex]x,y\in R[/tex] and [tex]x+y=1[/tex].then find max. and Min. value of [tex](x^3+1)(y^3+1)[/tex] (Without using calculus)

Homework Equations


here [tex]x+y=1[/tex] and [tex](x^3+1)(y^3+1)[/tex]


The Attempt at a Solution



I have done using Calculus...
 
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  • #2
So what exactly is your problem?
The Minimum value is easy to argue.
I wonder how you found the maximum value using calculus because that involves solving a degree 5 polynomial.
You could post your answers then we can discuss a bit more.
 

Related to Inequality with Max. and Min.value.

1. What is inequality with maximum and minimum value?

Inequality with maximum and minimum value refers to mathematical expressions or equations that involve at least one variable and use comparison symbols such as greater than (>), less than (<), greater than or equal to (≥), or less than or equal to (≤). These expressions or equations represent a range of possible values for the variable, with the maximum and minimum values being the upper and lower bounds of the range.

2. How is inequality with maximum and minimum value used in real life?

Inequality with maximum and minimum value is used in various fields such as economics, finance, and statistics to represent constraints or limitations. For example, in economics, it can be used to represent income inequality within a population, while in finance, it can be used to represent the risk associated with different investment options. Inequality with maximum and minimum value is also used in optimization problems to find the best solution within a given set of constraints.

3. What is the difference between inequality with maximum and minimum value and absolute value?

Inequality with maximum and minimum value and absolute value are two different mathematical concepts. Inequality with maximum and minimum value represents a range of possible values for a variable, while absolute value represents the distance of a number from zero on a number line. Inequality with maximum and minimum value uses comparison symbols to indicate the relationship between two values, while absolute value uses the absolute value symbol (|x|) to indicate distance.

4. How do you solve an inequality with maximum and minimum value?

To solve an inequality with maximum and minimum value, you need to determine the range of possible values for the variable by using algebraic techniques such as combining like terms, isolating the variable, and using inverse operations. The solution will be a set of values that satisfy the given inequality, and it can be represented graphically on a number line or in interval notation.

5. Can an inequality with maximum and minimum value have more than one solution?

Yes, an inequality with maximum and minimum value can have more than one solution. This is because the range of possible values for the variable can be a continuous interval rather than a single point. For example, in the inequality x > 2, any value greater than 2 will satisfy the inequality, resulting in an infinite number of solutions.

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