Excellent Ideas in Education
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2:11
The sum of the radius of the base and the height of a solid cylinder is 20 cm. If total surface area
Excellent Ideas in Education
1K views • 9 days ago
2:32
If one zero of the quadratic polynomial f(x)=4x^2-8kx-9 is negative of the other.Find the value of k
Excellent Ideas in Education
1.1K views • 3 months ago
7:54
The sum of 4th and 8th terms of AP is 70.Find the sum of its first 25 terms / Arithmetic Progression
Excellent Ideas in Education
1.4K views • 4 months ago
11:27
If y=log(root x+1/root x)^2 then prove that x(x+1)^2 d2y/dx2 + (x+1)^2 dy/dx = 2 / Differentiation
Excellent Ideas in Education
1.1K views • 4 months ago
2:35
Prove that 4-5 root 2 is an irrational number / Prove that 4-5√2 is an irrational number
Excellent Ideas in Education
1.8K views • 4 months ago
10:47
If alpha and beta are the zeros of the quadratic polynomial x^2-2x+3.Find a polynomial whose zeros
Excellent Ideas in Education
2.2K views • 5 months ago
5:55
A circus tent is in the shape of a cylinder surmounted by a conical top of same diameter.
Excellent Ideas in Education
1K views • 5 months ago
9:38
Prove that tan square theta + cot square theta + 2 = sec square theta+cosec^2 theta / Trigonometry
Excellent Ideas in Education
1K views • 5 months ago
5:06
If root3 cot^2 theta - 4 cot theta + root 3 = 0 then find the value of cot^2 theta + tan^2 theta
Excellent Ideas in Education
1.5K views • 5 months ago
11:45
How to rationalize the denominator 1/(root(11-2root30)) - 3/(root(7-2root10)) - 4/(root(8+4root3))
Excellent Ideas in Education
1K views • 5 months ago
17:10
Roller & Hinge Supported Beam in Equilibrium / How to calculate support reactions on beams
Excellent Ideas in Education
1K views • 5 months ago
4:20
If x^y=e^(x-y),prove that dy/dx=logx/(1+logx)^2 / Implicit Differentiation / Derivatives
Excellent Ideas in Education
1.1K views • 5 months ago
13:45
In a simultaneous throw of a pair of dice. Find the probability of a doublet of prime numbers
Excellent Ideas in Education
1.1K views • 5 months ago
5:51
The sum of first seven terms of an AP is 182.If 4th and 17th terms are in the ratio 1:5.Find the AP
Excellent Ideas in Education
721 views • 5 months ago
7:34
The height of a cone is 30cm.A small cone is cut off from the top by a plane parallel to its base.
Excellent Ideas in Education
1K views • 6 months ago
3:15
If a=2^2 x 3^x, b=2^2 x 3 x 5, c=2^2 x 3 x 7 and LCM(a,b,c)=3780 Find x value / Real Numbers Class10
Excellent Ideas in Education
2.9K views • 6 months ago
5:22
Prove that cosec^2 theta + sec^2 theta= cosec^2 theta sec^2 theta / Prove that tan theta + cot theta
Excellent Ideas in Education
1K views • 6 months ago
4:38
If x=1/(2-root3) find the value of x2-1/x2 / Rationalisation / If x=1/2-√3 find the value of x2-1/x2
Excellent Ideas in Education
1K views • 6 months ago
10:20
Force and Couple System / A system of parallel forces is acting on a rigid bar / Applied Mechanics
Excellent Ideas in Education
2K views • 6 months ago
5:38
Shiny lawn spheres placed on pedestals are convex mirrors. One such sphere has a diameter of 40cm
Excellent Ideas in Education
1K views • 6 months ago
7:08
If y=e^asin^-1x then prove that (1-x^2)d^2y/dx^2-xdy/dx-a^2y=0 / Second Order Derivatives / Calculus
Excellent Ideas in Education
1K views • 6 months ago
6:10
A boy standing on the ground and flying a kite with 100m of string at an elevation of 30
Excellent Ideas in Education
1K views • 6 months ago
9:56
G75 Multi Grooving Canned Cycle Program / CNC Lathe Grooving Program / G75 Canned Cycle Program
Excellent Ideas in Education
1.4K views • 6 months ago
3:45
If alpha and beta are the zeros of the equation 2x2-6x+a=0 and 2alpha+5beta=12. Find the value of a.
Excellent Ideas in Education
1.2K views • 6 months ago
17:55
Magnitude, Direction and Position of Resultant Force / Varignon's Theorem in Engineering Mechanics
Excellent Ideas in Education
2.6K views • 6 months ago
3:15
If a=√(6-√11) and b=√(6+√11) find the value of (a+b) / If a= root(6-root 11) and b= root(6+root 11)
Excellent Ideas in Education
1.4K views • 7 months ago
13:09
How to draw iron carbon equilibrium diagram with explanation / Fe-C Phase Diagram / Material Science
Excellent Ideas in Education
1K views • 7 months ago
15:59
y=x^tanx + ((√ x^2+1)/2) Find dy/dx / Derivative x power tanx + root (x^2+1) by 2 / Differentiation
Excellent Ideas in Education
1K views • 7 months ago
3:58
A lens of focal length 20 cm is used to produce a ten times magnified image of a film slide
Excellent Ideas in Education
1K views • 7 months ago
8:03
Pair of Linear Equations Case Study Questions / Important Case Study Questions / CBSE Class 10 Maths
Excellent Ideas in Education
1K views • 7 months ago
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