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The minimum value of mod of(sinA + cosA + tanA + secA + cotA + cosecA) is 2 2 -k.Find k ...

PROVE THAT : iim x100ln(x)/extan-1(π/3 + sinx)=∞ x→∞ ...

If f(x) and φ(x) are continuous function in[0,4] satisfying f(x)=f(4-x),φ(x) + φ(4-x)=3 and ∫40f(x)dx=2,then the value of ∫40 f(x)φ(x)dx is: NOTE:The upper and lower limits are 4 and 0 ...

Can anyone tell me where I can download the solutions to R.D. Sharma in pdf format? Thanks in advance. Please post the complete link. ...

The value of 〖(2-a)〗3+ 〖(2-b)〗3+ 〖(2-c)〗3- 3(2-a)(2-b)(2-c) when a + b + c = 6, is: 3 -3 2 0 ...

ax = by= cz b2 = ac Then express y in the terms of x and z. OPTIONS A) 2xz/x + z B) xz/2(x - z) C) xz/2(z - x) D) 2xz/x - z E) 2xz/z - x F) xz/2(x + z) I tried it many times but could not solve it. Can anybody please help me? ...

Which of the following is not a way to prevent resuting a) Painting the Iron b) Galvanization of the Iron c) Proper solidification of molten Iron d) Chemical treatment of the Iron Your Answer c Correct Answer a Your Score-1 H ...

If x2-x+1=0 and the two roots of the equation are α and β;then find the value of α2013+β2013. ...

Menthol,a flavouring agent obtained from peppermint oil,contains carbon,hydrogen and oxygen. On combustion analysis, 1g of menthol yields 1.161g of water and 2.818g of carbon dioxide. What is the empirical formula of menthol? ...

In addition to carbon monoxide and carbon dioxide, there is a third compound of carbon and oxygen called carbon suboxide. If a 2.5g sample of carbon suboxide contains 1.32g of carbon and 1.18g of oxygen, show that the law of ...

Let A = {15,16,17,18,0}, then the number of subsets of A containing 15 and 0 is a) 1 b) 2 c) 4 d) 8 ...

You are waiting for your girlfriend at a coffee joint. She is as always late :P :D Do you pour cold milk first or do you wait before adding the cold milk? You know that she will be still late and it is shameful to stay in the ...

If each ai>0, then the shortest distance between the point(0,-3) and the curve y=1+a1x2 + a2x4 + ...........................................+anx2n is a) 1 b) 2 c) 3 d) 4 ...

Int. x^2 dx/(x^2 + bx +12) ...

A mixture of FeO and Fe3O4 when heated in air to constant weight gains 5% in its weight .The % of FeO in the sample is? ...

One of the rectangular components of a vector of magnitude 100 units is 50 units. Find the other component. ...

A river flows downstream with a speed of 8 km/h and the velocity of the swimmer with respect to the water is 6 km/h. Find out the minimum time taken to reach the other side of the bank.What is the displacement of the man down ...

If each ai>0, then the shortest distance between the point(0,-3) and the curve y=1+a1x2 + a2x4 + ...........................................+anx2n is a) 1 b) 2 c) 3 d) 4 ...

Given that f is areal valued differentiable function such that f(x)f'(x)<0,for all real x.It fpllows that a) f(x) is an increasing function b) f(x) is a decreasing fnction C) mod(f(x)) is an increasing function d) mod(f(x) ...

we know g=9.81 and if we calculate we should get π2=9.87.These 2 values are almost same!!!!! Why give reason??????? ...

*Image* ...

in order to increase the resistance of a given wire of uniform cross section to 4 times it's value, a fraction of it's length is stretched uniformly till the full length of the wire becomes 3/2 times the original length.what ...

Show that the velocity is perpendicular to the displacement, if r = A Cos ωt (i^) + A Sin ωt (j^) ...

Assuming the mass 'm' of the largest stone that can be moved by a flowing river depends upon the velocity 'v' of water,density 'd' of water and acceleration due to gravity 'g'. Show that 'm' varies as the sixth power of the v ...

Which of the following is not a way to prevent resuting a) Painting the Iron b) Galvanization of the Iron c) Proper solidification of molten Iron d) Chemical treatment of the Iron ...

Speed of light is a) same in all medium b) different for different medium c) both d) none of these ...

Copper has 1 conduction electron per atom.its density is 8.89 g/cc and its atomic wt is 63.54 g/mol. If a copper wire of diameter 1 mm carries a current of 2 A. What is drift velocity in the wire. ...

If {i^2}, = , - 1, then sum i + {i^2} + {i^3} + ....{ m{to}},,1000 terms is equal to a) 1 b) -1 c) i d) 0 ...

In the given circuit it is observed that the current i is independent of the value of the resistance R6. Then the resistance values must satisfy *Image* a) R1R2R5 = R3R4R6 b) frac{1}{{{R}_{5}}}+frac{1}{{{R}_{6}}}+frac{1}{{{R} ...

A block of mass m is attached to one end of a long elastic rope. The other end of the elastic rope is fixed to the roof of a building. Initially the block is in contact with the roof at the point where the rope is fixed and i ...