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find sum to n terms of the series 0, 24, 120, 360, 840, 1680 .......... find sum in term of n only ...

Equation of mirror image of parabola y2=4ax in the line x-y+2=0 i think this pbm can be solved by FP/PM=1 Fis focus and P is the pt M is the perpendiculat distance from the directrix but i dont know how to find the directrix ...

i am getting rong ans for the 2 questions *Image* ...

What is the radius of the smallest circle that contains both of the circles x2+y2=4; and (x-3)+(y-3)2=9 ??? ...

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CH3NH2 (.1 mole.KB=5*10-4)is added to .08 moles of HCL and the solution is diluted to one liter.The resulting hydrogen ion concentration will be ________________ ...

I want some one to post information on this method of solving problems . thanks in advance. ...

Give a one one onto relation between (0,1) and R Does this prove that the number of Reals is same as the number of numbers in the interval (0,1) ? ...

the word MANISH is written on a sheet of white paper with a red pencil and the word NISHANT with a green pencil. a green and red pieces of glasses are available. through which glass can the word MANISH be seen? ...

i have a doubt plz clear glucose forms many derivatives. hte derivatives which hel p to prove the furanose structureis a)osazone b)benzoyl c)acetyl d.)isopropyldiene give reason & reaction both plzzz ...

hey anyone tell me how to rotate with some given angle if it is in all three direction like 2i+3j-8k plz give solution by taking example ...

CLACULATE THE RADII OF THE FRENSEL ZONES OF A SPHERICAL WAVE WITH A RADIUS a FOR POINT B REMOVED BY A DISTANCE OF a+b FROM A SOURCE OF MONOCROMATIC WAVES WITH A LENGTH OF λ,BEARING IN MIND THAT a>>λ ,, b>>λ. ...

A line 4x+y=1 through the point A(2,-7) meets the line BC whose equation is 3x-4y+1=0. Then the equation of line such that AB=AC is Your Answer: Did Not Attempt Correct Answer: 52x+89y+519=0 Score: 0 Explaination : slope of B ...

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if i1,r1,r2 are angle of incidence,reflection and refraction,then calculate critical angle of medium........ *Image* ...

Moisture condenses at the constant rate l units of mass per unit time on a falling raindrop. If the drop falls from rest and has initial mass M, find the distance it has fallen in time t. Neglect air resistance. ...

the titration curve for weak acid HA is shown.At which point in the titration is conc. of HA equal to conc. of conjugate base A?and WHY? *Image* ...

The graph shows titration curve for diprotic acid using standard NaOH soln Which of these is correct a)vOL A) represents 1st end point b)pH B) represents end pt at pH=7 c)pH D represents half neutralization pH that maybe ...

results kahaan hain ? kisiko mila ? bolo . ...

please check the mech wat i have done *Image* ...

of the possible 2 attacks by the H+ ion which one is more favoured *Image* and explain why ...

prove that for all x,y εR x2 - 2 x y + 3 y2- 6x - 2y ≥ -11 . ...

which among the following is unstable? a)neutron b)proton c)electron d)alpha particle please explain the ans ...

How many digits are there in 264. ...

[5x-7y]2+[5y-7z]2+[5z-7x]2 the maximum value of the above expression where[] denotes modulus and x y z are unit vectors i am sorry for confusing u all i have edited it once again ...

0∫2π(sinxcos[x]-cosxsin[x])/(cosxcos[x]+sinxsin[x])dx ...

Is the force applied by container same in both the cases... both containing liquid of same density ρ *Image* ...

MY TOPIC SAYS IT ALL :) BUT STILL EK BAR PHIR....... WER CAN I GET DA ANSWERS TO EARLIER PART TESTS????? ...