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the statemnet is sin4π{x}=sin(4πx) for all x εR its given to be true... but i dont think it to be.... what do u say ? ...

phenol + (CH3)3C-OH →H2SO4 ??? ...

∫dx/cosx√cos2x ...

1) CALCULATE pH of a 0.01 M SOLUTION at 25 ° C WHICH RESULTS IN THE FORMATION OF 0.01 % OH - ION IN THE REACTION OF CH3COO- WITH H2O. CH3COO- + H2O → CH3COOH + OH - 2) FOR WHICH OF THE FOLLOWING SOLUTIONS MUST WE CONSIDER ...

Let 3 points A,B,C with affixes z1,z2,z3 respectively lie on unit circle lzl=1.AD is perpendicular to BC and AD is produced to a point E on circle lzl=1 Q1 Find orthocentre of ΔABC Q2 Find the affix of point E ...

Considr ΔABC in argand plane.Let A(0),B(1),C(1+i) be its vertices and M be mid point of CA.Let z be variable complex number in the plane.Let u be another variable complex number u=z2+1 Q1Find locus of u when z is on BM Q2FIn ...

Identify A-H *Image* ...

In ΔABC A=(1,2). Internal angle bisectors through B and C are y=x and y=-2x. Inradius of ΔABC is: A) 1/√3 B) 1/√2 C) 2/3 D) None of these ...

solve cos2x-sinx=0 ...

Caliche is CaCO3 naa ??? but it is given that it is NaNO3-NaNIO3 help ...

D interval in which y=x2e-x is increasing is A. (-∞,∞) B.(-2,0) C.(2,∞) D.(0,2) & also show how u did this. ...

Aqueous soln of acetic acid contains ?? in the ans its given CH3COO- ,H3O+ ,CH3COOH but shouldnt H2O remain in soln instead becoz H2O is weaker acid than carboxylic acid..so ionization H2O<ionization carboxylic acid => ...

i am excited to see the solution: (a-b)(b-c)(c-a)=a^{2}+b^{2}+c^{2} ...

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evaluate: ∞ Σn=1(sin(nθ))/n ...

Q=1> A ship travelling at 10m/s. A dolphin at 5m/s along a line parallel to that of the ship and at a distance of 30 metre from it. The visibility is 50 metre. Find the maximum time for which the dolphin will be visible fr ...

Q1If ω is non real complex cube root of unity tehn find value of \frac{\prod_{p=1}^{4}{(\omega +\alpha ^p)}}{\prod_{q=1}^{7}{(\omega ^2-\alpha ^q)}} Q2 If n beolgns to N then value of \prod_{r=1}^{n-1}{\sin(r\pi /n)} ...

a capacitor wid charge Q is attached tpo anoder capacitir of same capacitence C through a resistor of R.....find the charge on d oder capacitor as a fucntion of timee..:) ...

Let f(x) = max{x,0} for all x belonging to R and f(xy) is not equals to f(x) f(y), then show that x <0 , y<0 ...

solve the following: tanx-sinx=\frac{x^{3}}{2} ...

The molecular weight of iodine vapor is 241 at 1atm and 800°C and 212 at same pressure but at 1027°C.Calculate degree of dissociation and coefficient i for different pressures ...

A gaseous mixture consists of methane,oxygen,and sulfur dioxide in weight ratio 4:2:1.The mixture was then allowed to effuse through a small hole at a definite temperature.What will be mole composition of mixture leaving hole ...

6g of He having average velocity of 4*102 m/s is mixed with 12g of Ne20 having same average velocity.What is average Kinetic energy per mole of mixture? ...

One mole of monoatomic vanderwaal gas when confined in 5L flask at 300K reads 4.85 atm on a barometer scale.Determine values of vanderwaal constant .Also determine diameter of gaseous atoms ...

Determine volume of air containing 20% oxygen by volume,that would have to be inhaled at 20°C and 1 atm to consume 1Kg of fat C57H110O6 assuming that only 70% by volume of the oxygen present in air is used up in combustion ...

1L of gas at 300atm and 473 K is compressed to a pressure of 60 atm and 273K.The compressibility factors found to be 1.072 and 1.375 at initial and final states.Calculate final volume ...

1 mL of sample of aqueous solution of tritium is injected into animals blood stream.the sample has an activity of 1.8 x 106 cps.After sufficient time for sample to be completely mixed with blood,2 mL of blood is withdrawn fro ...