If  x3 + y3 = 30, x+y =6, then 1/x+1/y = ?

Q: to d. 1 2/3 60% 4 61° °, mz2 = °, mz3 = %3D mz1 =

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Q: {3x+y=-3 2x+3y=5 (X,y) =

A: Given: 3x+y=-32x+3y=5 To Find: The value of x,y.

Q: If 2x² + 3xy – 2y + 4 = 0, then y' at (2,2) =

A: The given equation is: 2x2+3xy-2y+4=0

Q: 4 (a) s(-) = -2x + -4x +3x (b) s(<) = 2x° + (c) s(2) = -2(x - 2) (*+ 4) %3D 2.

A:

Q: Explain how to get y=kx+b from y=x, and how to get y=ax^{2}+bx+c from y=x^{2}

A: Transformation of the function  f(x)+b shift b units upward f(x)-b shift b units downward…

Q: 3. (4r*y² – 6r²y – 2r – 3)dr + (2r^y – 2r)dy = 0, y(1) = 3

A: The given equation is exact.

Q: 2 2] 2. Solve for x, y and z. -5 6

A: We will solve the problem

Q: find ƒx , ƒy  . 1. ƒ(x, y) = 2x2 - 3y - 4 2. ƒ(x, y) = x2 - xy + y2 3. ƒ(x, y) = (x2 - 1)(y + 2)

A:

Q: y=x^2+2x+1 / x^2-2x+1 is equal to y'= -4(x+1) / (x-1)^3  True or False?

A: Simply and differentiate to get the answer.

Q: (9) Does the equation r2 - 31y² = -45 have a solution? %3D in itegers please

A: The set of all (x,y) that satisfy an equation, y=f(x) are the solution of the equation.

Q: Eliminate the arbitrary constant. y=Ax 5 + Bx3

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Q: у" + Зу" + Зуy' + у %3D 30 е -х

A:

Q: A mixture contains 'X' litre milk and 'Y' litre water. If 30 litre of mixture is taken out and…

A: Introduction :

Q: If x +1 y = x - 1 then y' (3) equals (enter your answer as a decimal)

A: given y=(x+1)/(x-1) we need to find y''(3) first let us find y''(x)…

Q: 2(x-1) If y = Vx² – 2x then y' 3x2-2x

A: For the first part, we differentiate the given function y with respect to 'x' and use change rule of…

Q: The average monthly bill for wireless telephone subscribers from 1985 to 2008 can be modeled by…

A: Average monthly BillBx=-1.442x+99.674 →1Given Bx=$ 43.53

Q: Given 4.x² = 3y-4z 5 . Calculate the value ofx if y=x-1 and z = 2x.

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Q: 2 y + = = -8, x – 2y – 3: = 0, х - - 3 : -х+у+2:%3D3.

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Q: 2. y4y² = 1; M(1,0). -

A:

Q: find ƒx , ƒy  . 1. ƒ(x, y) = (2x - 3y)^3 2. ƒ(x, y) = (x3 + ( y/2))^(2/3) 3. ƒ(x, y) = x/ (x2 + y2 )

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: If 3x = 4y 3x2 is equal to: 4y2 If 3x – 4y, then

A: It is given that 3x=4y. We have to find out the value of the fraction 3x24y2. We have  to use the…

Q: If ||X|| = 3, ||Y|| =1 and X Y = -2, then (X - 2Y) (3X + 5Y) is equal to

A:

Q: If x/4 = y/3 = z/2, then what would be the value of (5x + y – 2z) / 3y

A: To find: The value of 5x+y-2z3y. Given: The equation is x4=y3=z2. Calculation: Assume x4=y3=z2 is k,…

Q: у' %— х — 4у, when x %3D 2,у 3 3 y' — х — 2усot 2x

A:

Q: 4. Is (1,5) a solution of 3x-2y S-4

A: Let's find.

Q: [x, y]²=[-1,0]=-1

A: We have [x,y]^2=[-1,0]=-1

Q: x + y + z = 1 x² + y² + z² = 2 x3 + y3 + z³ = 3 x5 + y5 + z5 = ?

A:

Q: 12e* 10) y"-2y'+y =-

A:

Q: 4. Solve S/² x + ²/2 y = − 3 y=x+2 using elimination method

A:

Q: (2x + 3y) if 0< x< 1 and 0< y) = otherwise

A:

Q: find ƒx , ƒy  . 1. ƒ(x, y) = 5xy - 7x2 - y2 + 3x - 6y + 2 2. ƒ(x, y) = (xy - 1)2

A:

Q: -3 8x°y² ' 12x'y* 6.,2 4 17m m m+5 5х-2 13 - x(x-7)

A: To find the LCD

Q: show the complete solution using differential equation

A: As per the guidelines we can solve 1 part only

Q: 14. x = -y + 4y, x = 0 3 1 1 2 3 2.

A: Consider

Q: 2x 2x is equal to 2-3x+2 r-1 r-2 r-2 O True OF.

A: Given query is to find statement is true or false.

Q: 22 O A. y= 3x - 12 O B. y=x+3 с. y= x-12 O D. y= 4x + 3

A: Find the equation of a line from the graph

Q: 2. x21 y 6 y2x-2 Ax, y) = x– y

A:

Q: Solve  y'' − 2y' + 5y = x2 + 1

A: Solution

Q: yA x= y² – 4y (-3, 3) X x = 2y – y?

A:

Q: 3) y=--x - 1 | 1 y =-x-4 4 Ay 5 4 3 -2 -2 -3 Answer:

A: follow the  next step

Q: 3. у" - 4y' + 4y %3D соs 4x

A:

Q: Q2 Ci+x)y =ソ-1 Y(0)=0 →yー1-e

A: To solve the given equation.

Q: 12. X and Y are two faucets which can fill a tank individually in 10 minutes and 20 minutes,…

A:

Q: 1. y ax + bx²,

A: As tou you have asked for question number 1 only,  then it solved by the method of formation of…

Q: e 3x -4y when x=2 and y = -2

A: From the data: The equation is:  3x-4y

Q: If Y = 2x, then X and Y are not independent?

A: Independent and dependent variables: Two variables are said to be independent if the result of one…

Q: What is y' if xy^3 + yx^3 = x - 3y?

A: Consider  xy3+yx3=x−3y

Q: solve for y: x - 3y = 6

A: Ans : On solving for y = ?  From question ,Given that an equation to solve ;     x - 3y = 6

Q: Evaulate: •2 •1 px+y (2y)dzdydx 0 Jo Jo

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.