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If xyz are positive real number minimum value of xy plus yz plus zx is?
Wiki User
∙ 6y ago
A very small amount greater than 0.
Unless you count all non-negative reals as positive, in which case as 0 is non-negative and the minimum is 0.
Wiki User
∙ 6y ago
Wiki User
∙ 6y agoIt is an infinitesimally small amount greater than zero.
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What are the rules for adding numbers whose signs are different?
Positive plus positive is positive. Negative plus negative is negative. Positive plus negative is positive if the absolute value of the positive number is greater than the absolute value of the negative one. Positive plus negative is negative if the absolute value of the negative number is greater than the absolute value of the positive one.
Is a negative plus a positive a positive?
If, and only if the positive value is > the negative value.
Does a negative number plus a positive number equal a negative?
If the positive number is bigger than the absolute value of the negative number, yes. But if the positive number is smaller, the result is negative. And if the positive number is equal to the absolute value of the negative number, your answer will be 0. The absolute value of a number is the number without the negative sign. So, for example, the absolute value of -3 is 3 and the absolute value of -10 is 10.
Does a negetive number plus a positive number equal a negetive number?
Not necessarily. A negative number plus a positive number can be negative, zero or positive.
Negative number plus a positive?
If the negative number is bigger then the sum would be negative.If the positive number is bigger then the sum is positive.
Negative PLUS a positive equals?
It is a negative if the negative number has the higher absolute value and positive if the positive number has the higher absolute value.
What are the rules for adding numbers whose signs are different?
Positive plus positive is positive. Negative plus negative is negative. Positive plus negative is positive if the absolute value of the positive number is greater than the absolute value of the negative one. Positive plus negative is negative if the absolute value of the negative number is greater than the absolute value of the positive one.
What is a positive number plus a negative number?
You didn't say what the numbers were but if the negative number was of greater value (for example -2 + 1) than your answer would be negative. But if the positive number had greater value (2 + -1) than your answer would be positive.
Is a negative plus a positive a positive?
If, and only if the positive value is > the negative value.
What is the min value of 1 by x plus 1 by y plus 1 by z equal30 when x y and z are positive and x plus y plus z equal 30?
(1/x) + (1/y) + (1/z) is a minimum value when x=y=z=10. Symmetry gives either maximum or minimum value.
Does a negative number plus a positive number equal a negative?
If the positive number is bigger than the absolute value of the negative number, yes. But if the positive number is smaller, the result is negative. And if the positive number is equal to the absolute value of the negative number, your answer will be 0. The absolute value of a number is the number without the negative sign. So, for example, the absolute value of -3 is 3 and the absolute value of -10 is 10.
What is a positive number minus a negative number?
a negative number minus a negative number is a negative number plus a negative number the answer depends on the value of the first number if the first number's absolute value is larger than the second number's absolute value than the answer is negative if the first number's absolute value is less than the second number's absolute value than the answer is positive
What is a positive minus a negative number?
"Minus a negative number" is the same as "plus a positive number" so you have a positive plus a positive number - making a bigger positive number.
Why does a positive number minus a negative number equal a positive number?
Because minus a negative number is equivalent to plus a positive number. So, in effect, you have a positive number plus a positive number and that is going to be positive.
When is a value called absolute?
In mathematics, the absolute value of a given number is the positive form of the number, for example, if the answer to a problem turns out to be plus or minus 3, then the absolute value is 3.
Does a negetive number plus a positive number equal a negetive number?
Not necessarily. A negative number plus a positive number can be negative, zero or positive.
What does a plus and a plus make in algebra?
A positive number added to another positive number always results in a positive sum.
