The first constraint tells us that's what y is So negative 5x plus 8 is equal to negative 2 Now, we have one equation with one unknown We can just solve for x We have 10x plus So we can multiply it We can distribute this 2 onto both of these terms So we have 2 times negative 5x is negative 10x And then 2 times 8 is 161) is a critical point The second derivative test f xx = 2;f yy = 2;f xy = 0 shows this a local minimum withY is the set of even numbers X \Y is the set of all even numbers in the interval ( 2;4), ie X \Y = f0;2g X Y = fx 2R j 2 < x < 4 or x = 2k for some k 2Zg (f) Let A be the xzplane in R3 and B be the yzplane in R3 Use set comprehension notation to describe the sets A\B and AB Answer A = 8 < 2 4 x y z 3 5 2R3
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X y/2-x-y/3=8 x y/3 x-y/4=11
X y/2-x-y/3=8 x y/3 x-y/4=11- y'= 16/3 Implicit differentiation of the given equation, term by term gives 10x 3xy' y=0 For getting y'(3), put x=3 and for y put 17, because it is given that y(3)=17 Accordingly, 10(3) 3 3y' 17 =0 3y'= 16 y'= 16/34 0 0 6 1 1 8 2 2 3 Figure 1412 f(x,y) = x2 y2 (AP) As in this example, the points (x,y) such that f(x,y) = k usually form a curve, called a level curve of the function A graph of some level curves can give a good idea of the shape of the surface;
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With initial values y 0 and y 0 is (123) y x y 0 cosx y 0 sinx Example 122 Solve y y 0 with given initial values y 0 y 0 Now ex and e x are solutions of this differential equation, so the general solution is a linear combination of these But we won't have as easy a time finding a solution like (123), since these functions do3x – y = 5 ii x – 2y = 1 ;Example 5 X and Y are jointly continuous with joint pdf f(x,y) = (e−(xy) if 0 ≤ x, 0 ≤ y 0, otherwise Let Z = X/Y Find the pdf of Z The first thing we do is draw a picture of the support set (which in this case is the first
Subject to the constraint 2x2 (y 1)2 18 Solution We check for the critical points in the interior f x = 2x;f y = 2(y1) =)(0;To find the xintercept (s), substitute in 0 0 for y y and solve for x x Solve the equation Tap for more steps Rewrite the equation as x 2 − 8 = 0 x 2 8 = 0 Add 8 8 to both sides of the equation Take the square root of both sides of the equation to eliminate the exponent on the left sideViết biểu thức x 36 x 2 y 12 x y 28 y 3 dưới dạng lập phương của một hiệu Trả lời (1) Xem đáp án »
Stack Exchange network consists of 178 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers Visit Stack Exchange x^2y^2=8 xy=2 Using the second thing, we can add y to both sides and subtract 2 from both sidesthis gives y = x 2 and substituting this into the first equation, we haveSolution (a) Since cos2 sin2 = 1, we get (x=4)2 (y=5)2 = 1, ie, x2 16 y2 25 = 1 which is an ellipse with the xintercepts x = 4, the yintercepts y = 5 But since ˇ=2 ˇ=2, we have 0 cos 1 so the graph consists of only the portion
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We get their width by subtracting the xcoordinate of the edge on the left curve from the xcoordinate of the edge on the right curve (If you get mixed up and subtract the right from the left you'll27 Answers Macpin Julaton Answered 4 years ago Given 3xy=12, find 8^x/2^y 8^x = (2^3)^x Hence, 8^x = 2^ (3x) because of law of exponent product rule Hence, we have (2^ (3x))/ (2^y) Hence, we have 2^ (3xy) because of law of exponent quotient rule Since 3xy=12, we have 2^12It looks much like a topographic map of the surface In figure 1412
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Get stepbystep solutions from expert tutors as fast as 1530 minutes Your first 5 questions are on us!Math Input NEW Use textbook math notation to enter your math Try itSolve for y y Tap for more steps Rewrite the equation as 8 ( y 2) = ( x 3) 2 8 ( y 2) = ( x − 3) 2 8 ( y 2) = ( x 3) 2 8 ( y 2) = ( x − 3) 2 Divide each term by 8 8 and simplify Tap for more steps Divide each term in 8 ( y 2) = ( x 3) 2 8 ( y 2) = ( x − 3) 2 by 8 8
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Simple and best practice solution for y=2(x3)(x4) equation Check how easy it is, and learn it for the future Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework If it's not what You are looking for type in the equation solver your own equation and let us solve itFirst type the equation 2x3=15 Then type the @ symbol Then type x=6 Try it now 2x3=15 @ x=6 Clickable Demo Try entering 2x3=15 @ x=6 into the text box After you enter the expression, Algebra Calculator will plug x=6 in for the equation 2x3=15 2(6)3 = 15 The calculator prints "True" to let you know that the answer is right More ExamplesExtended Keyboard Examples Upload Random Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals For math, science, nutrition, history, geography, engineering, mathematics, linguistics, sports, finance, music
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2x – 3y = 7 asked in Linear Equations in Two Variables by Aryan01 ( 502k Sketch the area between two curves and then find the area This is using summations y=2x 1/3, y= (1/8)x 2, 0The given equations are `(x y 8)/2 = (x 2y 14)/3 = (3x y 12)/11` ie,`( xy−)/2 = (3xy−12)/11` By cross multiplication, we get
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