If the absolute value of P is less than 1, then the power of limp is n, where n is infinite and infinitesimal. Then why is this limit equal to 0

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• 1. If the limit of function 1 / (x ^ 2) is positive infinity at x = 0, is there a limit at x = 0?
• 2. On the limit of function: the numerator is LNX, and the denominator is x ^ a (a > 0). The limit of this number can be obtained by variable substitution, and X tends to infinity
• 3. Is the necessary and sufficient condition for a function to be a when x tends to infinity?
• 4. The side length of a square is 4. If the side length decreases x, the area decreases y. write out the functional expressions of Y and X. find the value range of the independent variable x
• 5. The side length of the square is x, and the perimeter is y. please write the functional relationship between Y and X, and write the value range of the independent variable (1) How to draw the graph of this function? (2) What are the basic steps of drawing function images?
• 6. There is a relation between square area s and side length a, where () is an independent variable and () is a function of ()
• 7. For example, for the function y = X-1, let y = 0, we can get x = 1, we say that 1 is the zero of the function y = X-1. It is known that the function y = x2-2mx-2 (M + 3) (M is a constant). (1) when m = 0, find the zero of the function; (2) prove that no matter what value m takes, the function always has two zeros; (3) let the two zeros of the function be respectively The intersection of function image and X axis is a and B respectively (point a is on the left side of point B), and point m is on the line y = X-10. When Ma + MB is the minimum, the function analytic expression of line am is obtained
• 8. For example, for the function y = X-1, let y = 0, we can get x = 1, we say 1 is the function y = X-1
• 9. For example, for the function y = X-1, let y = 0, we can get x = 1, we say 1 is the zero point of the function y = X-1 The known function y = x 2 - 2mx - 2 (M + 3) (M is a constant) (1) When m = 0, find the zero point of the function; (2) It is proved that no matter what value m takes, the function always has two zeros; (3) Let the two zeros of the function be x 1 and x 2 respectively. At this time, the intersection of the function image and the X axis is a and B respectively (point a is on the left side of point B), and point m is on the line y = X-10. When Ma + MB is the minimum, the analytic expression of the function of the line am is obtained
• 10. What function formula does excel use to count the number of values in the table? If there are several numbers in the table (- 1, - 2, - 3, - 4, - 5, - 6,0,1,2,3,4,5,6), use the formula to find out ≤ - 3, - 3 〈? Number ≥ 0, number > 0
• 11. Limit problem the problem of infinity and infinitesimal Please give examples to illustrate that the following three propositions are wrong 1. The product of infinitesimals is infinitesimal 2. Infinity plus infinity is infinity 3. Infinity multiplied by bounded quantity is infinity
• 12. Does limit infinity and infinitesimal exist
• 13. Is limit equal to infinity the existence or non existence of limit?
• 14. The reciprocal of infinitesimal is infinity. How to understand it? For example, LIM (x ^ 2 + 2x-3) / (4x-1) = 0, why is its reciprocal infinite? This function is not always nonzero n-1
• 15. The reciprocal of infinity is infinitesimal, and the reciprocal of constant not zero is infinity period Can you make it clear why it is a variable
• 16. As far as I know, we use the ratio limit of two infinitesimals to reflect the speed of two infinitesimals approaching zero. When their ratio limit is equal to - 1, is it equivalent? For example, when x → 0, X and - X are infinitesimals, and the limit of their ratio is equal to - 1, so they tend to zero at the same speed. Theoretically, they are equivalent, but the equivalent definition of Infinitesimal in advanced mathematics textbooks is that the ratio limit is equal to 1, not the absolute value of the ratio limit is equal to 1
• 17. The sum of infinitesimal functions may be infinitesimal functions, or functions whose limit is constant So is it possible to get an infinite function? If so, please give a counter example If not, please give me the reason Please pay attention to the tone when answering. I'm very vulnerable and can't stand being told that I'm stupid Note: the function independent variable tends to a certain point
• 18. Infinitesimal of higher number and limit problem When X - > 0, e ^ (x ^ 2) - cosx is () A. Higher order infinitesimal B. equal order but not equivalent infinitesimal C. lower order infinitesimal D. equivalent infinitesimal
• 19. This is to use the relationship between limit and infinitesimal to find limit If LIM (x → 0) (sin6x + XF (x)) / x ^ 3 = O, then LIM (x → 0) (6 + F (x)) / x ^ 2 is But what I calculate is 0 for LIM (x → 0) (sin6x + XF (x)) / x ^ 3 = O. if the left side of the equation is divided by X, we will get LIM (x → 0) (6 + F (x)) / x ^ 2 = O. the error in solving the equation is
• 20. Can an infinitesimal number be multiplied by an infinitesimal number to get an infinitesimal number?