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The eqn-- ex-ax-b=0 has A. 1 real root if a<0 B. 1 real root if b>0 & a<=0 C. 2 real roots if a>0 & a.ln a>=(a-b) D. No real root if a ln a<a-b Multiple Ans correct ...

When a nucleus at rest emits a beta particle,it is found that the velocities of the recoiling nucleus and the beta particle are not along the straight line.How can this be possible in view of the principle of conservation of ...

let Pn = aPn-1 -1 for all n= 2,3,4,.. and let P1= ax-1 where a ε R+ then evaluate the limit lim ( x → 0 ) Pn/x ...

Q. In a beaker with water a thin capillary tube of radius r is dipped. and a rod of radius r/2 is inserted symmetrically in between. Find the height of water that rises in the tube. *Image* ...

wat s d product of glycerine wen it s heated with oxalic acid at 110°c ...

blood is isotonic with: a]0.16 M NaCl b] conc.NaCl c]50% NaCl d]30% NaCl how to say i dont know ...

how does the drift velocity of electrons in a metallic conductor change if the length of the conductor is doubled by stretching it. PD is kept constant explain ...

a particle moves in the xy plane with velocity v= ai + bxj a and b being constants. at t=0 particle was at (0,0).. find (a) the equation of the particles trajectory (b) the curvature radius as a function of x ...

if a reaction disproportionates then how will we find the equivalent weight ?????? plz give examples too ...

prove that \frac{1}{15}<\frac{1}{2}.\frac{3}{4}.\frac{5}{6}.\frac{7}{8}........\frac{99}{100}<\frac{1}{10} ...

here's a nice one i came across while reading a book yesterday prove for all positive integers m, the integer next greater than (\sqrt{3}+1)^{2m} contains 2^{m+1} as a factor ...

A capacitor of capacitance C is charnged to a potential difference V from a cell and then disconnected. A charge +Q is now given to its +ve plate. The potential difference across the capacitor is now: (a) V (b) V+Q/C (c) V+Q/ ...

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an 8 x 8 array consists of the numbers 1,2,3,.............,64 . consecutive numbers are adjacent along a row or coloumn. what is the minimum value of sum of numbers along a diagonal ? ...

Matrix ! If A = [ 0 2 ] , kA = [0 3a ] whatz value of k , a & b 3 -4 2b 24 please show how ! thanks ...

an aqueous blue coloured solution of a transition metal sulphate reacts with H2S in acidic medium to give a black precipiate (A) which is insoluble in warm aqeous solution of KOH. the blue solution on treatment eit KI in weak ...

Salicyclic acid is stronger thar p-hydroxybenzoic acid. Why ?? Can u pls tell the formula of Salicyclic acid too. ...

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if the temp is not kept below 25°c during the rxn of primary alcohol with p-toluenesulfonyl chloride in pyridine, it is sometimes observed that the isolated product is not the desired alkyl p-tou;enesulfonate but is instead ...

How solute -solute interaction affect electrolytic conductance .explain.vivdly ...

if y=sin-1(cos x) , then dy/dx=? a)sin2x b) sinx c)-1 d)none ...

1st - easy a,b,c All are real numbers such that a+b+c >0 ab+bc+ca >0 abc >0 Prove a,b,c are all >0 2nd - medium Find all functions f which follows the following equation - f(x)+f(1/(1-x))=x ...

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What does the hydrogenation of the following compound in the presence of poisoned palladium catalyst give? *Image* ...

If in certain encoding :- 0EC878 = B7F8 0F7658 = 9478 0F325B = 507B 2F4F3C = 27D4 272809 = 393d 2FAD11 = CDD9 6B1959 = 114d then 6DD24D = ???? Here a,b,c,d,e,f are hex numbers and represents 10,11,12,13,14,15 respectively Goo ...

What can be said about the CM of a uniform hemisphere without making any calculations ? Will its distance from the centre be more or less than r/2 ? ...

*Image* Identical wires, each with resistance R, are connected so as to form the edges of the platonic solid Icosahedron.(The figure is given , additionally note that it is a polyhedron with 20 faces, each face an equilateral ...

how to find a compound is polar or nonpolar, ...

HI FRNDS SORRY TO DISTURB U ALL I WANT D LINK FOR MANIPAL RESULTS ...

1] Let a,b,c be non-negative real numbers such that a+b+c=3. Prove that \frac a{a+2bc}+\frac b{b+2ca}+\frac c{c+2ab}\ge1 ...