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Will anyone please explain me the wavy curve method of solving inequations?? please ...
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Solve for x. 1+ \frac{1}{2\sin(30^0+ x)}= \frac{\sin(\frac{x}{2})}{\sin(\frac{x}{2}+ 60^0)}+ \frac{\sqrt{3}}{2\sin(\frac{x}{2}+ 60^0)} ...
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\hspace{-16}\mathbf{\lim_{x\rightarrow 0}\left[\frac{(1+4x)^{\frac{1}{x}}}{e^4}\right]^{\frac{1}{x}}} ...
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\hspace{-16}$Prove That\\\\ $\mathbf{(1)::\log_{2}{3}>\log_{3}{4}}$\\\\ $\mathbf{(2)::\log_{2}{3}>\log_{3}{11}}$\\\\ $\mathbf{(3)::\log_{3}{5}>\log_{2}{3}}$\\\\ without Using properties of Logarithms ...
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How was the paper of KVPY - 2011. Supposed cutoff? ...
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q) The reaction given below, involving the gases is observed to be first order with rate constant 7.48 x 10-3 sec-1. Calculate the time required for the total pressure in the system containing A at an initial pressure of 0.1 ...
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\{a_n\} is a sequence of real numbers such that |a_n- a_{n+1}| \le 1 \ \forall \ n \in \mathbb{N} Define b_n = \frac{a_1+a_2+...+a_n}{n} Prove that |b_n-b_{n+1}| \le \frac{1}{2} ...
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Q. If y=\frac{1}{1+x^{n-m}+x^{p-m}}+\frac{1}{1+x^{m-n}+x^{p-n}}+\frac{1}{1+x^{m-p}+x^{n-p}} , then \frac{dy}{dx} at e^{m^{n^{p}}} \text{(a) }e^{mnp} \text{(b) }e^{\frac{mn}{p}} \text{(c) }e^{\frac{np}{m}} \text{(d) } none ...
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Consider the cubic equation given by x3+ax2+bx+c = 0 , where a, b, c are real numbers. Which of the following is correct : A. If a2-2b < 0, then the equation has one real and two imaginary roots B. If a2-2b ≥ 0, then the ...
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Can anyone give me the correct solution of KVPY SX 2011 and the cutoffs for KVPY SX 2010 ...
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Can we accelerate a charged particle by a magnetic field? ...
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formation of olefins from alkalis and alkyl halides--- what kind of a reaction is it?? is it sn1, sn2, e1 or e2? ...
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Q> Find the value of 'a' for which ax2 + (a - 3)x + 1 < 0 for at aleast one positive real x. ...
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1) why is it so that many endothermic reactions that are not spontaneous at room temperature become spontaneous at high temperature? ...
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calculate the final molarity of : 200 ml 1 M HCl +100ml .5M H2SO4 ...
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Q1) Why do we say ΔS = Qrev/T Q2) While finding direction of spontaneity for a reaction, we say ΔSsurroundings = Qsurrounding/T = -Qsystem/T ΔSsurroundings = -ΔHsystem/T ΔSuniverse = ΔSsystem- ΔHsystem/T and further we ...
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\hspace{-16}$Which one is Greater $\mathbf{2011^{2012}}$ OR $\mathbf{2012^{2011}}$ ...
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wich is more acidic water or phenol nd why?// ...
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COnsider a normal pendulum. It is moving under gravity. It has a hollow bob. water leaks out of the bob at a constant rate so . How will T be affected the right answer is that time period will increase and then decreaseMy ans ...
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Let tn be the no. of triangles with integral sides out of the side lengths {1,2,3,....n} . Then t20-t19 = ? ...
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The condition that x4 + ax3 + bx2 + cx + d is a perfect square, is (A) c2 = ad (B) c2 = ad2 (C) c2 = a2d2 (D) c2 = a2d ???????????????? ...
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find the factors of the no. 123456789 such that they have the minimum difference between them. ...
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\hspace{-16}$If $\mathbf{x\;,y>0}$ and $\mathbf{xy+x+y=3}\;$.Then find Min. of \\\\\\ $\mathbf{P=\frac{x^2}{y+1}+\frac{y^2}{x+1}+\frac{xy}{x+y}}$ ...
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\hspace{-16}$If $\mathbf{f(x)=x^3+x^2-4x+1}$ and If $\mathbf{\alpha}$ be a root of $\mathbf{f(x)=0}.\;$ Then Prove\\\\ that $\mathbf{\alpha^2+\alpha-3}$ is also root of $\mathbf{f(x)=0}$ ...
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if the equation ax2 + bx + c = 0 does not have 2 distinct real roots and a + b > c, then prove that f(x) ≥ 0, for all x E R. ...
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$\textbf{Solve system of equations:}\\\\ $\mathbf{x+y-z=7}$\\\\ $\mathbf{x^2+y^2-z^2=37}$\\\\ $\mathbf{x^3+y^3-z^3=1}$ ...
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\hspace{-16}$If $\mathbf{\alpha\in \mathbb{R}}\;,$ Then Prove That\\\\\\ $\mathbf{\sqrt{17}\leq\sqrt{\cos^2 \alpha+4\cos \alpha +6}+\sqrt{\cos^2 \alpha-2\cos \alpha +3}\leq \sqrt{2}+\sqrt{11}}$ ...
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if x2 + ax + 3/x2 + x + a takes all real values for possible real values of x then prove that 4a3 + 39 < 0. ...
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\hspace{-16}\mathbf{\displaystyle \sum_{k=0}^{1004} \frac{2008!}{k!\times k!\times (1004-k)!\times (1004-k)!}} ...