Messages posted by sagarsaxena

hello dear..

the radius of the circle with given equation is :

r = (g² + f² - c)^1/2

for equitlateral traingle

r = a / root(3)

area of traingle = root(3) / 4 * a²

now solve it ,you will get the answwer

hello dear..

let the points be (h,k)

so that d product of d slopes of d two lines joining d two points (-2,1)and (6,5)is -4

(k-1) / (h+2) * (k-5) / (h-6) = -4...

4x² + y² - 16x -6y -43 = 0

doing partial diferentiation...of the above equation ..the centre obtained is (2,3)

hello dear

let the point be (h,k)

ratio of its distance from (2,-1) and from the line 3x-4y-1=0 is d constant 1/2

[ (h-2)² + (k+1)² ]^1/2 = [(3h -4k - 1)/ (5)] * 1/2

clearly this equation is the equation of ellipse..

it is in the form PS = e PM

(2,-1) = focus

eccentricity = 1/2

directrix = 3x-4y-1=0

obviously no,you need maths as your main/additional subject to appear for IITJEE

hello dear..

I think brilliant tutorials is the best for GATE preparation,all the topics are very clearly covered and emphasis more on test strategy and its test are quite good for improving a rank,so go for BT

what is the use of 206 bones in our body...Dude,if you can answer this than u can understand ur question

hello dear..

the equation of circle is diametric points are given.....:

(x-x₁)(x-x₂)+(y-y₁)(y-y₂) = 0

where (x₁,y₁)(x₂,y₂) are the diametric points

intercept on y axis is :

2 (f² - c)^1/2

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Before you proceed ask yourself a few simple questions:

What prompts you to get motivated? (...money, frustration, helping others)

Is there something in particular that stirs your creative side? (...crafts, a project, a cause)

How can you sustain a positive attitude?

#1 Passion

What are you passionate about?

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#2 Commitment

Are you prepared to commit to yourself and to those you love?

Counter fear with a spirited commitment that comes from your inner essence. Your dreams can be realized, life can be different. Start amazing yourself today!

Commitment is what transforms a promise into reality. It is the words that speak boldly of your intentions. And the actions which speak louder than the words. It is making the time when there is none. Coming through time after time after time, year after year after year. Commitment is the stuff character is made of; the power to change the face of things. It is the daily triumph of integrity over skepticism

#3 Effort

Do you embrace the thought that each moment is perfect regardless of its outcome or are you stuck in the box?

If what you are facing seems too intense, challenge yourself to give it some effort at the same time as you take your thinking to a new level! If it's a disappointment learn from your efforts, if it's a gem celebrate and share your success!

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#4 Gratitude

What can you do to dwell completely in a place of gratitude?

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hello dear........

while the holes of the p side are repelled by the positive terminal of the battery,the electrons of the n side are reppled by the negative terminal of the battery.As a result of this ,some holes and free electrons enter the depletion region.thus the potential barrieras well as the width of the depltion region are reduced consequently large number of maority carriers are able to diffuse across the junction.once they crossed the junction electrons become minority carriers of the p(n) region and constitute an injected minority current

hello dear....

Diffraction occurs with all waves, sound waves, water waves, and light waves.The fact that diffraction is more feasible with longer wavelengths and low freequenciesand sound waves have longer wavelength than light waves

hello dear..

It is denoted by a integral values of n = 1,2,3,4.....

it indicates the energy level of a hydrogen atom..It also describes the size of the orbitals

hello dear..

first check the function for its continuity .......see wther the function is continous or not....if the function is contunous,proceed for the diferentiabiloty of the function.................if ,there is formation of sharp edges ,we can say function is not differentiable........

hello dear..........

i think,you are asking about the various formats of a differential equation.....iam telling you few formats,correct me if iam wrong in understanding what you want to ask..

1.Equations in which the variables are separable

2.Differential equations reducible to the separable variable types.

3.Homogenous differential equations

4.Equations reducible to exact form

5 First order linear differential equations

6.diferential equation of first order and higher degree(NOT IN COURSE)

note:

above i have mentioned only the types of diffrential equations,you can consult any standard book of integral calculas,you will get the all the types of diferential equation with a clear cut explanation of them

hello dear..

the hyperbola whose aymptotes are perpendicular to each other .the hypebola is cales rectangular hyperbola..

x² - y² = a²

e ² = 1 + (a² / a²)

e = 2^1/2

by taking the aymptotes as coordinate axis

:

xy = c²

c² = a² / 2

hello dear..

the range of logarithemic function is whole R........

draw the garph ..it is very clear thru graph

put v = dl / dt

than u will get ,after integration...

l^1-n / (1-n) + l / a = t

take a modulas of that vector..

suppose the vector r = x i + y j + z k

mod ( r ) = (x² + y² + z²)^1/2

hello dear..

soap buble is bilateral.it means it is having two surfaces.......

so,due to induced charges ,there is a electrostatics force between the two layesr of soap which are attractive in nature ,hence it contarcts

heloo dear..just dont think about the result at this stage ,only and only work hard..bcoz thinking at this stage might hinder ur chances of getting sucess in the exam

electric potential energy:

it depends upon the conservative coulumb force,within the system of the charged particles:

Gravitational potential energy:

it is the energy due to the presence of other particle and its gravitational field:

other are:

1.Nuclear potential energy

2.Chemical potential energy

3.Thermal potentiak energy

#1 Passion

#2 Commitment

#3 Effort

#4 Gratitude

#5 Rethinking

#6 Humor

#7 Belief

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