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The number log203 lies in a) (1/4 ,1/3) b) (1/3 ,1/2) c) (1/2 ,3/4) d) (3/4 ,4/5) ...

if Z=cosA+isinA & A=2° find *Image* ...

Ques) If g(X) = (x - x3 /6 - x5 / 120 ) - Sinx then show that log {g(x)} (for x greater than zero) is not defined. ...

why is the charge on a charged spherical conductor assumed to be concentrated at the centre? ...

What normal to the curve y=x2 forms the shortest chord ?? ...

f(x)f(1/x)=f(x)+f(1/x).given f(4)=65.find f(6) ...

cot2x=cosecx+sinx. Find the general solution of this equation. ...

*Image* ...

it a q asked in jee 1995.. C6H5OCH3 + HI +HEAT GIVES,..... MY QUESTION is .....in the ans it is given we get cleaved product...but whn vinylic ether are treated wid HI...gives substituted product... ...

what wil be product.... a) phenol + HCN + hcl at 70° c.. b) acetophenone + HCOOOH -----A +HYDROLYSIS... ...

A circle is inscribed in a regular hexagon of side 2 3 cm.Find (i) circumference of the inscribed circle. (ii)area of the inscribed circle. ...

a rope passes over a fixed pulley such that it makes an angle (A) at its centre. if (u) be the coefficient of static friction between the rope and the pulley, determine the relation existing between the values T1 and T2of the ...

i am starting this thread to start a discussion on rotational motion as i have done in "optical isomerism" in organic section !!! i start with a brief summary....everyone is welcome to put forward his/her coherent views on th ...

Lt n→∞ Lt x→0 1/(1tan2x+2tan2x+....Ntan2x)cot2x We had a similar problem http://www.targetiit.com/iit-jee-forum/posts/find-the-limit-10114.html But I'm not sure about the answer...Plz someone give a complete explanation ...

Ques1) Number of degrees in the smallest positive angle x such that 8 sinx cos 5 x - 8 sin5 x cosx =1, is (a) 5 degree (b) 7.5 degree (c) 10 degree (d) 15 degree Ques2) The sides of a triangle are 6 and 8 and the angle \theta ...

A simple pendulum of length "l" carries a bob of mass m.If the breaking strength of the string is 2mg , the maximum angular amplitude from the vertical can be ___θ I tried and tried but without success.Please help me.( Kindl ...

plz explain the exact meaning of pH value & for what purpose is it used? ...

show that n! < {(n+1)/2}^2 for n belonging to N ...

A particle moves in a horizontal circle with vel. v at the end of an inextensible string.If it collides elastically with a straight wall when the string makes an angle 'x' greater than pi/4 with the wall, then its velocity wh ...

Positive real numbers are arranged in the form: 1 3 6 10 15 ... 2 5 9 14 ... 4 8 13 ... 7 12 ... 11 ... Find the number of the line and column where the number 2002 stays. EDITED: THANKS MRUNAL. ...

Show that a mirror in the form of an ellipse with a point object at one focus will produce an image at other focus. ...

someone please put forward with views on how to study inorganic chemistry in the minimum possible time !!!! ...

details of rosenmund reduction ! ...

A block is placed on an inclined plane of angle 37 .What must be the frictional force b/w block and incline if block is not to slide along incline when incline is accelerating to the right at 3 m/s2. ...

what is the colour of *Image* ...

A NORMAL TO A PARABOLA Y2=4AX MAKES ANGLE θ WITH X AXIS WHERE TANθ=2 IF IT CUTS THE CURVE AGAIN AT AN ANGLE θ1 THEN θ1EQUALS A. 45 B. 30 C. 60 D. 90 IF X+4Y=14 IS A NORMAL TO CURVE Y2=αX3-βAT (2,3) THEN VALUE OF α+β I ...

fundamental Period of a*sin(b*tan(x)) is: ...

Three large identical conduction plates of area A are closely placed parallel to each other as shown ( the area A is perpendicular to plane of diagram).The netcharge on left,middle and right plates are QL,QM,QM respectively.T ...

All tiitians post ur full name , college , branch so that we can know someone better whos joining the same college ...

Plz let me know some good online sites for iit jee preparation for study material, taking tests, etc. etc....................... i know some like goiit ,targetiit, ............ ...