The value range of function y = ln (AX ^ 2 + ax + 1) is all real numbers, and the value range of real number a is calculated

The value range of function y = ln (AX ^ 2 + ax + 1) is all real numbers, and the value range of real number a is calculated


g(x)=ax^2+ax+1
A = 0, G (x) = 1
A0, quadratic function constant greater than 0, must have: a > 0, delta = a ^ 2-4a



The solution of absolute value
If | A-3 | + | B + 2 | = 0, find the value of a and B


Because | A-3 | > = 0 and | B + 2 | > = 0, then because | A-3 | + | B + 2 | = 0, both are zero
That is | A-3 | = 0 | B + 2 | = 0 to obtain a = 3 B = - 2



The absolute value of rational number: the absolute value of a positive number is_ It itself____ That is | a|=____ (a is less than 0): the absolute value of a complex number is______ That is | a|________ What is the absolute value of a big and 0; 0_____ That is, 0|=_____


Hello!
Your writing is confused. Now correct and answer as follows:
The absolute value of a positive number (a greater than 0) is itself, that is | a | = a;
The absolute value of a negative number (a is less than 0) is its opposite number, that is | a | = - A;
The absolute value of 0 is 0, that is | 0 | = 0



Set determined by absolute value a / b = B / absolute value B (a, B ∈ K)


|A|/B=B/|B|
When b > 0, B / | B | = 1, | a | / b = 1
|A | = B, a = B or - B
When B



If the absolute value a = - A, what number must a be?


The absolute value of a positive number is equal to itself, that is, if a & gt; 0, then | a | = a, the absolute value of a negative number is equal to its opposite number, that is, if a & lt; 0, then | a | = - A0 is 0



If the absolute value of a number is 4, what is the number


4 or - 4, because the positions of - 4 and 4 on the number axis are equal to the origin, their absolute values are all - 4|



Is there a number whose absolute value is negative two


Wrong, no number has an absolute value of minus two



What does absolute mean
For example: what does 5|n + 3 mean?


Absolute value means that, for example, | - 1 | = 1, the absolute value, whether positive or negative, becomes positive



If the absolute value of a is 2.3, then a is equal to less


Plus or minus 2.3



If the absolute value of a is equal to 3 and the absolute value of B is equal to 2, then what is the absolute value of a + B?