Given that the power of (b+4) is equal to zero, what is the power of b? I don't understand the meaning of the question. By the way, the answer is 16 Given that the power of (b+4)+|a-2| what is the power of b? I don't understand the meaning of the question. By the way, the answer is 16

Given that the power of (b+4) is equal to zero, what is the power of b? I don't understand the meaning of the question. By the way, the answer is 16 Given that the power of (b+4)+|a-2| what is the power of b? I don't understand the meaning of the question. By the way, the answer is 16

If the answer to (b+4)+|a-2| is 0, then only 0+0 can meet the requirements of this formula. Because there is absolute value in this formula, and the absolute value can not be less than 0, so only 0+0 can meet the requirements. After knowing the answer, we can find out: b=-4, a=2, and then substitute them into the original formula,(-4+4)+|2-2|=0+0=0, then after finding out, we can calculate the a power of b. Divide 16 by (-4), and it is equal to (-4). That is to say, when two (-4) are multiplied, a is equal to the 2nd power. So a power of b equals 16.

Given the negative first power of a-a =3, then the value of the second power of a + the negative second power of a is equal to the resolution

A-a^-1=a-1/a=3
(A-1/a)^2=9
A^2-2+1/a^2=9
A^2+a^(-2)=9+2=11