Who told me how to solve the square root equation, for example: x ^ 2 = 36
x^2=36
x = ±√36
x = ±6
Just open the root
RELATED INFORMATIONS
- 1. Use the square root to solve the equation (1)X² + 1 = 1.01 (2)4X² - 25 =0 Given that AB is a real number, and the root sign a-5-2, root sign 10-2a = B + 4, find the value of a-b
- 2. For the solution of square root equation, if it is fast, give another 5 points. The topic is: the first (x-1) square = 289, the second (3x-1) square = 25
- 3. What is (√ 18 - √ 1 / 2) × √ 8? Problem solving process~
- 4. (2-1)(1+2+2²+2³+…… +2 62nd power + 2 63rd power =?
- 5. Find the solution of X multiplied by 50 / 2-x equal to 300
- 6. What is the monotone decreasing interval of the function y = x Λ 2-2x + 3?
- 7. What are the least common multiple, greatest common factor and least common multiple of 12, 54 and 72?
- 8. If we know that the power of X + X + 1 / x = 1 / 4, then the power of 3x is 5x / 4 - 15x + 5=
- 9. A simple algorithm of 75 15 / 16 times [- 8] (71 + 15 / 16) * (- 8) = 71 * (- 8) + 15 / 16 * (- 8) = - 568-7.5 = - 575.5 this method is not needed, but another simple calculation is needed
- 10. Help me solve this equation, (2x ^ 4-3x ^ 3 + 5x ^ 2 + x) (- x + 1) 2011^2-2010*2012
- 11. [1.] the denominator of a fraction remains unchanged. If the numerator is multiplied by 5, how does the size of the fraction change? If the numerator remains unchanged and the denominator is divided by 5· [1.] the denominator of a fraction remains unchanged. If the numerator is multiplied by 5, how does the size of the fraction change? If the numerator remains unchanged and the denominator is divided by 5
- 12. Take 4 out of 6 cases, multiply the numerator and denominator by 3 at the same time, and divide the denominator by 2 and the numerator by 2
- 13. Let the integer part of (5-radical 5) be a and the decimal part be B, then a-b=___
- 14. Let the integral part of 1 (3 - √ 5) be a and the decimal part be B. find A-1 / b
- 15. Let the fractional part of 5 - √ 3 be a and the integral part be B, then a = (), B = ()
- 16. Given that the integral parts of 3 + 5 and 3-5 are a and B respectively, then a + B = 1___ .
- 17. Let the integer part of root 7 be a and the decimal part be B, and find the value of B (a + root 7)
- 18. The decimal part of root 2 is a, and the decimal part of root 8 is B. find AB + A + B ∵ radical 9
- 19. Given that the decimal parts of 6 + radical 11 and 6 - radical 11 are a and B, find the value of ab
- 20. Given that a is the integral part of √ 13 and B is the fractional part of √ 13, find the value of A-B?