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f(x) = x + | x | is continuous for (A) x∈(−∞,∞) (B) x∈(−∞,∞) −{0} (C) only x > 0 (D) no value of x ...

A polygon has 44 diagonals. The number of its sides is (A) 10 (B) 11 (C) 12 (D) 13 ...

The number of points on the line x + y = 4 which are unit distance apart from the line 2x + 2y = 5 is (A) 0 (B) 1 (C) 2 (D) Infinity ...

Angle between y2 = x and x2 = y at the origin is ...

The equation 3 sin x + cos x = 4 has (A) only one solution (B) two solutions (C) infinitely many solutions (D) no solution ...

A and B are two independent events such that P(A∪B') = 0.8 and P(A) = 0.3. The P(B) is ...

how can u write 31 only usin 3 five time?? ...

evaluate 1) \sum_{n=1}^{\infty }\frac{1}{n^3(n+1)^3} 2) \sum_{n=1}^{\infty }\frac{1}{n^2(n+1)^2} ...

Q.It is given in theory books that the magnitude of photoelectric current is independent of the frequency of incident radiation . My doubt : If frequency is increased , each electron's energy increases which means some of the ...

More ADDED CONTINUOUS PATTERN SERIES 1. abca_bcaab_ca_bbc_a 2. _bbca_bcca_ac_a_cb 3. c_baa_aca_cacab_acac_bca 4. _c_bd_cbcda_a_db_a 5. a_bc_a_bcda_ccd_bcd_ 6. _aba_cabc_dcba_bab_a COMPLETING THE ANALOGOUS PAIR 7. Scrap : food ...

convert *Image* ...

*Image* If a positive point charge q is kept at the center of a distribution ( equilateral triangle with side a) then what is the flux through each of the sides of the triangle? I want to know the gaussian surface we would co ...

Please solve this one for me : *Image* ...

Q1: On applying alkali solution followed by acidification which of the following gives lactone: *Image* Q2: Give the end product of (A,B,C,D) when each of them is treated with base: *Image* Q3: Arrange them in order of increa ...

Arrange the following compounds in order of increasing dipole moment Toulene (I) m-dichlorobenzene (II) o - dichlorobenzene (III) p - dichlorobenzene (IV) (A) I < IV <II <III (B) IV < I < II < III (C) IV < ...

Charlie has 7 cards numbered 1, 2, 3, 4, 5, 6 and 7 and randomly deals 3 of them to Alice and 3 to Bob. All three people look at the cards that they hold. Can Alice and Bob communicate with each other, in the presence of Char ...

The first two questions were the very first tough questions I did(from Alkyl Halides too)...way back in the beginning of class 12th FIITJEE. Let's see how you all fare! *Image* Lo yaar hint lo....think Favorskii reaction. ...

[y]=xsinx ...

In which of the following diagrams of enthalpy vs reactions progress for two step reactions is the second step fast but essentially irreversible while the first step slow and reversible *Image* A B C D ANS B ...

evaluate- \sqrt{2011+2007\sqrt{2012+2008\sqrt{2013+2009\sqrt{2014+.........\infty}}}} ...

Could be of some help to all --- A chemical reaction is a process in which one set of chemical substances (reactants) is converted into another (products). It involves making and breaking chemical bonds and the rearrangement ...

∫ (cos2x/sin2x) ...

I dont hav any work to do so i m starting this discussion..... Does anyone here know how to make a website for free?? I really want 2 make 1..... ...

If ABCD is cyclic quadrilateral, show that AC . BD = AB . CD + BC . AD ...

find the ratio of the magnitude of the electric force to the gravitational force acting between two protons ...

how do you account for the fact that, although diethyl ether has a much lower boiling point than n-butyl alcohol, it has same solubility(8 grams per 100 g) in water? ...

Gravel is dropped on to a conveyor belt at the rate of 0.5 kg/s.The extra force required to keep the belt moving at 2 /s is a)1 N b)2 N c)4 N d)5 N e)10 N Please explain the question and answer in detail clearly ...

When one swims across a flowing river,maximum energy is spent in a)first 1/3rd of distance b)second 1/3rd of distance c)last 1/3rd of distance d)equal energy is spent throughout ...

post different methods to find if 22051946 is a perfect square . at least 5 shorter methods ...

A shell explodes in a region of negligible gravity field giving out fragments of equal mass, then it's total : (a) momentum = that before collision (b) momentum and K.e depend on mass of the fragments (c) K.E is greater than ...