LIM (sin NX) / X (x tends to 0)= We learned LIM (SiNx) / x = 1 (x tends to 0)

LIM (sinnx) / x = LIM ((sinnx) / X * n) * n = n * (LIM (sin (NX) / (x * n)) = n (n has nothing to do with X here, so it is regarded as a constant

RELATED INFORMATIONS

1. Sin MX divided by sin NX to find the limit of X tending to 0
2. If LIM (x) tends to 0 and f (2x) / x = 1, and f (x) is continuous, then f '(0)=
3. LIM (e ^ x-1) / X when x tends to 0 If we use the law of Roberta to solve the problem, is it to bring (e ^ x-1) / x into the (u'v-uv ') / V ^ 2 formula?
4. Let y = f (x) be differentiable, then what is Lim f (1 + △ x) - f (1) / 3 △ x equal to?
5. Let f (x) have continuous first derivative at x = e, f '(E) = - 2 (e ^ - 1), then LIM (x → 0 +) (D / DX) f (e ^ cos √ x)=
6. In natural numbers, there must be two adjacent odd numbers______ The number adjacent to any even number (except 0) must be two______ Count
7. Natural numbers within 20 are odd numbers and composite numbers. If they are even numbers and prime numbers, they are composite numbers
8. It is known that for any natural number n, f (n + 1) + F (n-1) = 2F (n), where f (0) ≠ 0, f (1) = 1
9. It is known that for any natural number m, N, f (m) f (n) = f (n + m) + F (n-m) It is known that for any natural number m, N, there is f (m) f (n) = f (n + m) + F (n-m), where f (0) ≠ 0, f (1) = 1, find f (n) ———————————————————————————————————————— -------------------------- Sorry, cos n π
10. Let every element of a nonzero square matrix of order n be equal to its algebraic cofactor, and prove that R (a) = n
11. Limit x → 0 [(1 + MX) ^ n - (1 + NX) ^ m] / x ^ 2 (n, M is a positive integer)
12. Find the limit LIM (sinxy) / y X - > a Y - > 0
13. LIM (x is close to 0) (x * [1 / x]) =?
14. LIM ((1 + x) ^ (1 / x) / E)) ^ (1 / x) x tends to 0
15. It is proved that LIM (x approaches 1) x ^ 2-1 / x ^ 2-x = 2
16. Is there a rational number whose square is negative 9 Be specific
17. We know that there is no number whose square is negative in the range of rational numbers. Now let's make a sharp intellectual turn. Suppose that the square of a number I is exactly equal to - 1. Under this assumption, complete the following questions: I + I ^ 2 + I ^ 3 + I ^ 4 = I + I ^ 2 + I ^ 3 + I ^ 4 +... + I ^ 2012=
18. If a is a rational number, then in the following sentences: ① - A is a negative number; ② A2 is a positive number; ③ the reciprocal of a is 1A; ④ the absolute value of a is a. where () A. 1 B. 2 C. 3 d. 4
19. If a is a rational number, the following statement is correct: a. a must be a positive number B. - a must be a negative number C. A must not be 0 d. A may be 0
20. If - A is not negative, then a must be () A. Negative B. positive C. positive and zero D. negative and zero