Question 9dyFinddaGiven: 3x?y + xy? = sin? (x + y).dy2 sin(r+y) cos(r+y)+3ry2-rydx2xy?+3ry+2 sin(x+y) cos(a+y)sin[2(r+y)]-6ry-y3x2 +2xy-sin[2(x+y)]dyda2 sin(r+y) cos(r+y)+6xy-ry?3x +2ry?-2 sin[2(x+y)]dydaO (E) None of these2 sin(r+y) cos(r+y)+3ry-ry32y+2ry-2 sin(r+y) cos(r+y)dyde

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dy Find . da Given: 3x?y + xy = sin (x + y). %3D dy %3D da 2 sin(z+y) cos(r+y)+3ry-ry 2ay? +3ry+2 sin(x+y) cos(a+y) sin[2(r+y)]-6ry-y 3r2 +2ry-sin(2(x+y)] dy %3D da 2 sin(r+y) cos(r+y)+6xy-ry? %3D 3r+2ry-2 sin[2(x+y)] dy da O (E) None of these 2 sin(r+y) cos(r+y)+3ry-ay 32 y+2ry-2 sin(r+y) cos(r+y) %3D dr

dy Find . da Given: 3x?y + xy = sin (x + y). %3D dy %3D da 2 sin(z+y) cos(r+y)+3ry-ry 2ay? +3ry+2 sin(x+y) cos(a+y) sin[2(r+y)]-6ry-y 3r2 +2ry-sin(2(x+y)] dy %3D da 2 sin(r+y) cos(r+y)+6xy-ry? %3D 3r+2ry-2 sin[2(x+y)] dy da O (E) None of these 2 sin(r+y) cos(r+y)+3ry-ay 32 y+2ry-2 sin(r+y) cos(r+y) %3D dr

Intermediate Algebra

10th Edition

ISBN:9781285195728

Author:Jerome E. Kaufmann, Karen L. Schwitters

Publisher:Jerome E. Kaufmann, Karen L. Schwitters

Chapter8: Conic Sections

Section8.2: More Parabolas And Some Circles

Problem 63.2PS: By expanding (xh)2+(yk)2=r2, we obtain x22hx+h22ky+k2r2=0. When we compare this result to the form...

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By expanding (xh)2+(yk)2=r2, we obtain x22hx+h22ky+k2r2=0. When we compare this result to the form x2+y2+Dx+Ey+F=0, we see that D=2h,E=2k, and F=h2+k2r2. Therefore, the center and the length of a radius of a circle can be found by using h=D2,k=E2 and r=h2+k2F. Use these relationship to find the center and the length of the radius of each of the following circles. x2+y2+4x14y+49=0

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