What are the possible value(s) fora/(|a|)+b/(|b|)+c/(|c|)+(abc)/(|abc|)() A.0 B.1 and -1 C.2 and -2 D.0,2, and→-2E0,1, and→-1 答案 【解析】A相关推荐 1【题目】Suppose a, b, c and are nonzero real numbers, anda+b+c=0. What are the possible valu...
Real numbers include rational numbers like positive and negative integers, fractions, and irrational numbers. Any number that we can think of, except complex numbers, is a real number. Learn more about the meaning, symbol, types, and properties of real n
For example, the numbers 900 and 4900 are square numbers while 20, 360, and 480 are not squares. The square of a number ends with 1 when the last digit of an integer is either 1 or 9. The square number of an integer ends with 6 if its last digit is either 4 or 6. The ...
Supposea,b and c are nonzero real numbers, and a+b+c=0. What are the possible value(s) for a|a|+b|b|+c|c|+abc|abc|? ( )A.0B.1and−1C.2and−2D.0,2and−2E.0,1and−1 答案 A翻译:假设 a、b、c 都是不为 0的实数,a+b+c=0.那么a|a|+b|b|+c|c|+abc|a...
Suppose that x and y are nonzero real numbers such that 3x yx−3y=− What is the value of x 3y3x−y( )?A. −3 B. −1 C. 1 D. 2 E. 3 相关知识点: 试题来源: 解析 D 由3x+yx−3y=−2,可得:−2(x−3y)=3x+y,即−2x+6y=3x+y,移项可得:5y=5x,即y=x,...
Real numbers and satisty the equation . what is ?( ) A: B: C: D: E: 相关知识点: 试题来源: 解析 B The answer is . This problem can be solved by noticing that this is the equation of a circle with radius of . When put into vertex form, the one point that satisfies this ...
【题目】For real numbers a and b, definea Sb=(a-b)^2 ,What is (x-y)^2S (y-x)^2=(())1}。 答案 【解析】【答案】0【解析】翻译一下题目,就是:对于实数a、b,定义 a≤b=(a-b)^2 ,则(x-y)2$(y-x)2=__依定义有(x-y)^2S(y-x)^2=[(x-y)^2-(y-x)^2]^2=0故...
23.Let a,b and c be real numbers such that a+b+c=0 and abc=-15.What is the value of a2(b+c)+62(c+a)+c2(a+b)?23. Let a,b and c be real numbers such that a+b+c=0 and abc=-15. What is the value of a2(b+c)+b2(c+a)+c2(a+b)?
Is 0 a real number in math? How do you write all real numbers except 0? What is the difference between real numbers and integers? a,b, and c are real numbers such that ab= 44, bc= 112, and a + c= 13. What is the value of b?
The sum of two nonzero real numbers is 4 times their product. What is the sum of the reciprocals of the two numbers? A. 1 B. 2 C. 4 D. 8. 相关知识点: 试题来源: 解析 C. Let the two real numbers be x,y. We are given that x+y=4xy, and dividing both sides by xy, ...