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How much more is the quotient of the reciprocal of 7 divided by 6 than 1 / 5 of 25 You cannot use a segment calculation
6/(1/7)-25/5
The 3rd power of X - 3x squared y + 3xy squared - y factorized to the 3rd power
x^3-3x^2y+3xy^2-y^3
=(x^3-y^3)-(3x^2y-3xy^2)
=(x-y)(x^2+xy+y^2)-3xy(x-y)
=(x-y)(x^2+xy+y^2-3xy)
=(x-y)(x^2-2xy+y^2)
=(x-y)(x-y)^2
=(x-y)^3
The square of X + the square of Y - 4x + y + 17 / 4 = 0, find the value of the negative 2nd power of Y + 3xy
Square of X + square of Y - 4x + y + 17 / 4 = 0
Square of X - 4x + 4 + square of Y + y + 1 / 4 = 0
(x-2) ²+ (y + 1 / 2) ²= 0
Then x = 2, y = - 1 / 2
Negative power of Y + 3xy
=(- 1 / 2) to the negative 2nd power + 3 * 2 * (- 1 / 2)
=2 ²- three
=1
It is pointed out that the coefficients of the following monomials and the degree - X are the third power of square a, the third power of B, 2x, the fourth power of square y (- 2), the third power of a, 3xy Indicate the coefficients and times of the following monomials -Square of X The third power of a B 2X / 3 squared to the fourth power of Y (- 2) to the 3rd power of a 3xy / 4
Coefficient times
-Square of X - 1 2
The third power of a B 1 4
2X / 3 squared y to the fourth power 2 / 3 6
(- 2) to the 3rd power of a to the 3rd power of - 8 3
3xy / 4 3 / 4 2
How much is the square of (3xy) (the square of X - the square of Y) - (the square of 4x, the square of Y) divided by the square of 4Y + the square of 9x to the fourth power of Y
(3xy) ² （x ²- y ²）- （4x ² y ²）² ÷4y ²+ 9x ² y^4
=9x^4y ²- 9x ² y^4-4x^4y ²+ 9x ² y^4
=5x^4y ²
If the square y of - 2x (- the square y of X + the third power of 3xy) = the square of 2x to the fifth power Y - the third power of 6x to the nth power of Y, find the value of M and n
-2X square y (- m square y of X + 3xy third power) = 2x fifth power y square - 6x third power y n power
2X to the power of M + 2 y ²- 6x ³ The 4th power of y = the 5th power of 2x, the square of Y - the 3rd power of 6x, and the nth power of Y
m+2=5
m=3
n=4
RELATED INFORMATIONS
- 1. [(- 3xy) square times x to the 3rd power - 2x square times (3xy Square) cube times Y / 2] divided by 9x to the 4th power y to the 3rd power Followed by y to the power of 2
- 2. Prove that | SiNx | is less than or equal to | X| Classified discussion, using derivative method.
- 3. The square of X + 1 = x (x + X part) is this factorization
- 4. The sixth power of X - the sixth power of Y + the fourth power of X + the square of X, the square of Y + the fourth power of Y,
- 5. It is known that the - x power of (1 / 3) is equal to one-third of the - y power of 2 and 3, equal to 5, and find the value of 2x-y power of 9
- 6. The calculation of the integral formula [(- 2 / 3) to the 8th power multiplied by (3 / 2) to the 8th power] to the 7th power
- 7. If the 2x power of 2 is multiplied by the 5x power of 64 = 2, then the x power of (x-3) =?
- 8. Find the limit: 1 / SiNx squared - 1 / X squared
- 9. It is proved that the third power of equation x - 3x-1 = 0 has at least one root in the interval [- 1,0]
- 10. It is proved that the 5th power of equation x minus 3x and then minus 1 is equal to 0, and there is at least one real root in the interval (1,2) Urgent solution
- 11. Given that the definition domain of function f (x) is [0,1], find the definition domain of function g (x) = f (x + m) + F (x-m) (M > 0)
- 12. Note the functions F1 (x) = f (x), F2 (x) = f (f (x)),... FN (x) = f (f... F (x)), and the intersection of the definition fields of these functions is d. if any x belongs to D Note that functions F1 (x) = f (x), F2 (x) = f (f (x)),... FN (x) = f (f... F (x)), the intersection of these function definition fields is d. if any x belongs to D, all n values satisfying FN (x) = f (x) constitute a set P, and all n values satisfying FN (x) = x constitute a set Q. (1). If f (x) = 1 / x, find sets P and Q, (2). For function f (x) = ax / (x + B) (a ＜ 0), 2 belongs to Q, find the relationship between a and B
- 13. Find LIM (x → 0) (SiNx / x) ^ (cosx / 1-cosx)
- 14. It is proved by definition that when x tends to 1, LIM (3x + 2) = 5
- 15. How to understand lobida's law?
- 16. On the problem of de centring neighborhood in Higher Mathematics When learning advanced mathematics, I encounter a problem: The neighborhood can be represented by {x | a - R < x < x + R} Then, if point a is removed, it becomes a de centered neighborhood, which can be expressed as: {x | 0 < | X - a | < R} I just can't turn around now. Why can I see | X - a | < R at a glance? Although I know that | X - a | < R is definitely right, I can't see it at a glance and ask for advice
- 17. Urgent! If the function f (x) is differentiable at x = 0, and f (0) = 0 x tends to 0: then find the limit f (x) / x =?
- 18. Differential mean value theorem problem It is known that f (x) is second-order differentiable on [a, b], a (a, f (a)), B (B, f (b)). Line segment AB intersects y = f (x) curve at another point C. verification: existence μ ∈ (a, b), so that the second derivative f '' (x) = 0, there is no reward,
- 19. 2. Among the eight numbers 3, 4, 5, 6, 7, 8 and 9, the sum of any four numbers is multiplied by the sum of the other four numbers, and () different products are obtained?
- 20. Three natural numbers add or multiply to get the same result. What are the three numbers? thinking