Eamcet - Maths - Differential Equations Test

Test Instructions :

1. The Test is 1hr duration.
2. The Test Paper consists of 30 questions. The maximum marks are 30.
3. All the questions are multiple choice question type with three options for each question.
4. Out of the three options given for each question, only one option is the correct answer.
5. Each question is allotted 1 mark for each correct response.
6. 0.25 will be deducted for incorrect response of each question.
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The solution of y dx-x dy+log x dx=0 is





The curve represented by X= 2( cos t + sin t ), y=( cos t - sin t ) is





If x is real, then the minimum value of [(x2-x+1)/(x2+x+1)], is





If [x3/(2x-1)(x+2)(x-3)]=A+(B/[2x-1])+(C/[x+2])+(D/[x-3]) then A is equal to





The solution of extan y dx+(1-ex)sec2ydy=0 is





The solution of (1+ex/y)dx+ex/y(1-x/y)dy=0 is





The line 4x + 6y + 9=0, touches the parabola y2=4x at the point





The solution of (x2y3+x2)+(y2x3+y2)dy=0 is










The solution of excot y dx+(1-ex)cosec2ydy=0 is





The solution of (x+y+1) dy/dx=1 is





If the equation λx2 – 5xy + 6y2 + x -3y=0, represents a pair of straight lines, then their point of intersection is





If A and B are two square matrices such that B=A-1 BA, then (A+B)2 is equal to





The solution of (x+y+1)dx+(3x+4y+4)dy=0 is





If y=(x2-1)n, then (x2-1)yn+2+2xyn+1=





If a,b,c ≠ 0 and belong to the set { 0,1,2,3,................9 then log10[(a+10b+102c)/(10-4a+10-3b+10-2c)] is equal to





Solution of differential equation dy/dx = (1+y2) (1+x2)-1is





The solution ofn(ex+1)y dy+(y+1)dx=0 is





A family of curves has the differential equation (xy)dy/dx = 2y2 - x2. Then the family of curves is





The solution of 3excos2ydx+(1-ex)cot y dy=0 is





The solution of ex-y dx+ey-x dy=0 is





The solution of y2 dx+(3xy-1)dy=0 is





The solution of x cos(y/x)(y dx+x dy)=y sin y/x(x dy – y dx) is





A= sin 780- sin 180+ cos 1320, B= cos 120+ cos 840+ cos 1320+ cos 1560 and C= (sin 750+sin 150)/ (sin 750+cos 150) then by arranging in the ascending order





x = cos θ, y = sin 5θ  ==>(1-x2) (d2y/dx2)  - x(dy/dx) =





The radius of the circle r2-2√2r(cos θ + sin θ)-5=0 is





The solution of (12x+5y-9)dx+(5x+2y-4)dy=0 is





The solution of x log x (dy/dx)+y=2 log x is





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