• ### Solve dy/dx + x =y^2?

Mathematics · 6 days ago
• ### Math Question?

Show that if z=tan y, the equation dy/dx+x sin2y=x^3cos^2y, reduces to dy/dx + 2xy=x^3. Hence solve the given equation.
Show that if z=tan y, the equation dy/dx+x sin2y=x^3cos^2y, reduces to dy/dx + 2xy=x^3. Hence solve the given equation.
Mathematics · 6 days ago
• ### ∫1/(x^2+1)^2 dx from 1-0?

1 answer · Mathematics · 2 weeks ago
• ### Evaluate this ∫√(2-x^2)dx, from1~√2?

3 answers · Mathematics · 2 weeks ago
• ### Find the general solution of the eqn (y^3+1)*dy/dx - xy^2=x?

1 answer · Mathematics · 2 weeks ago
• ### Given that y=4-5sin[(x/2)+(π/3)], -π≤x≤π. Find the greatest value of y.?

2 answers · Mathematics · 1 month ago
• ### If log(√2-1)=a, then log(√2+1)=?

3 answers · Mathematics · 1 month ago
• ### Given that A(1,2) and B(11,6), if P is a point on the plane which makes 3AP=PB, find the locus of P?

3 answers · Mathematics · 1 month ago
• ### ∫√（9-x²) dx , from 0~3?

4 answers · Mathematics · 2 months ago
• ### Integrate w.r.t x: 1/√[x(1-2x)]?

2 answers · Mathematics · 2 months ago
• ### Differentiate with respect to x: sin^-1 cos x?

2 answers · Mathematics · 2 months ago
• ### Give 3 vertices of △ABC are A(3,8), B(-5,2) and C(7,5). If angle bisector of ∠A intersects BC at the point D, find coordinates of point D.?

1 answer · Mathematics · 2 months ago
• ### Find the eqn pf straight line that passes through the pt(-2,5) and perpendicular to the line x-2y-7=0.?

3 answers · Mathematics · 2 months ago
• ### Math--find volume?

The shaded region in fig.4 is bounded by the curve y=ln x, the x-axis and the line x=e. Find the volume of the solid generated by rotating the shaded region about the y-axis. through 360°.
The shaded region in fig.4 is bounded by the curve y=ln x, the x-axis and the line x=e. Find the volume of the solid generated by rotating the shaded region about the y-axis. through 360°.
1 answer · Mathematics · 2 months ago
• ### Probability -----math?

The probability that a shooter hits the target is 0.7. If he fires 10 shots, every shot is an independent event, find the probability that he will hit the target at least 7 times. (the answer must be correct to 4 decimal places)
The probability that a shooter hits the target is 0.7. If he fires 10 shots, every shot is an independent event, find the probability that he will hit the target at least 7 times. (the answer must be correct to 4 decimal places)
1 answer · Mathematics · 2 months ago
• ### Find the longest distance and the shortest distance from the circle x²+y²=9 to the line 3x+4y=25.?

2 answers · Mathematics · 2 months ago
• ### Standard Normal Distribution?

If Z has a standard normal distribution, find: (a) P(Z>-1) (b) P(0<Z<2)
If Z has a standard normal distribution, find: (a) P(Z>-1) (b) P(0<Z<2)
1 answer · Mathematics · 2 months ago
• ### Evaluate ∫√(x-1/x⁵) ,dx ,[4,1] Given that answer is √3/4?

1 answer · Mathematics · 2 months ago
• ### Given: y=(sinx +cos x)², find : d²y/dx²?

3 answers · Mathematics · 2 months ago
• ### Find the acute abgle between lines 2x-4y+5=0 and x+4y=0?

5 answers · Mathematics · 2 months ago