Recently Active Fundamentals Questions

ok optimus i hav made this thread where u n others can post the method of graphical approach for coordinate ...

1] n_{C_{4}} \;, n_{C_{5}} ,n_{C_{6}} are in AP. find the value of n ...

ex is defined as e^x= \frac{x^0}{0!}+\frac{x^1}{1!}+\frac{x^2}{2!}+\frac{x^3}{3!}+.......... for x=0, e^0= \frac{0^0}{0!}+\frac{0^1}{1!}+\frac{0^2}{2!}+\frac{0^3}{3!}+.......... but we know that e0 is 1 So 1= \frac{0^0}{0!}+\ ...

from where i would get viteee sample papers ........... ...

Q. Find the equation of the circle circumscribing the triangle formed by the lines :x+y=6 , 2x+y=4, and x+2y=5 , without finding the vertices of the triangle? ...

if y=mx be the equation of the chord of the circle x2 +y2 -2ax=0 ,then find the equaiton of the circle of which this chord is the diameter? ...

If A and B are two mutually DEPENDENT eventws wat deduction can v make?? nething apart frm P(A∩B)≠PA.PB ??? ...

xy+yx=50 x n y ?? i know answer , infakt i only created question !! so.......answer like bolt !wwatsit ? ...

PL NOTE : I KNOW how to solve the following Question ............... My concern is the type : *Image* IN such Questions wat is the instinctive Substituition one MAKES or waat are the primary OBSERVATIONS/DEDUCTIONS/SUBSTITUIT ...

*Image* i strugl in dis type. pl. help. ...

*Image* ans D ...

What are the rules for unique, infinte solutins in matrices and determinants ...

how to solve a 4 by 4 determinant? co-factrs methd ??? ne better methd ...

this is a new thread in which all types of maths sums can be posted, rules: 1) only 1 question at a time 2) no one start a new question unless the previous one is fully solved by someone and understood by everyone 3) every qu ...

The number of subsets of a set of n elements is (a) n (b) 2n (c) 2n (d) n2 and plzz give some xplaination about sets as i have just passes class 10th and want to learn sets for a scholrship exam ...

PROB 1 *Image* PROB 2 *Image* PROB 3 *Image* PROB 4 *Image* PROB 5 *Image* ...

*Image* ...

I feel iam weak in solving am-gm inequalities plz post some questions or d links in this website wer i could find question note:upto jee level only ...

Y = lim x2tan(1/x)/( 8x2 + 7x + 1 ) x--> - ∞ Z = lim x2tan(1/x)/( 8x2 + 7x + 1 ) x--> ∞ Find Y and Z ...

*Image* sorry wrong pic.. ...

Try to put "Why?" before every statement...then search for answers, FUNDAMENTALS will build up. ...

*Image* got x = 1 wat abt u guyz??????? ...

WE hav discussed this once but a recent que. in Reso Test Series has forced me to ask agauin true / false if h(x) = f(x).g(x); f(x) is cont. at x = a while g(x) is discont at x =a then can h(x) be cont. at x = a ??? ...

Wat is the basic condition for two curves to be orthogonal ?? I know they need to intersect at 90° but wat abt the CASE WER the two CURVES INTERSECT EACH OTHER MORE THAN ONCE ??? eg. x2 = y and y2 = x are these said to be or ...

the question is \lim_{\mu \rightarrow \inf}\frac{\mu ^{2}+1}{\mu +\mu ^{2}} there was something dificult with it being one so i thought if it is not 1 i better know it now than on 12 hehe[1] ...

prove (\frac{1}{2})(\frac{3}{4})(\frac{5}{6})..........(\frac{999999}{1000000}) < \frac{1}{1000} ...

Does the angle bisector of the BASE angle in an ISOSCELES triangle pass thru the IN-centre of the circle??? ...

here i will post the doubts of my tests and the questions in which i am struck *Image* *Image* ...

i think previous question on this date was bit toughh so giving a simpler one lim n.sin 1. sin2 . sin3. sin4 . sin5............... sin n n→∞ ...

What is (-1)2/3? ...