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Consider the set of points (x,y) in the plane which satisfied x2+y2<=100 and sin(x+y)>=0. solve the following ques. 1.) the region given by sin(x+y)>=o will be a) angular region between two concentric ci ...

real roots of the eqn 7log7(x2-4x+5)=x-1 are ...

x3n+y3n is divisible by x+y if (a)n is an integer n>=0 (b)n ia odd positive integer (c)n is even positive integer (d)n is rational ...

a rod of mass M n lenght L is standing in vertical position,it is pushed with infinitimesly small force ,n fall down in a quarter circle without displacing its lower end then wat is the normal reaction when is at horizontal p ...

*Image* The Figure shows two rods BC and OA hinged from B and O respectively. Rod BC has a groove in which A of rod OA can slide smoothly. At a given instant,the rod BC has an angular velocity ω. The speed of end A of the ro ...

the no. of values of the pair (a,b) 4 which a(x+1)2+b(x2-3x-2)+x+1 is an identity (a)0 (b)1 (c)2 (d)∞ ...

What is the value of cot 142.5 ...

(P+a/V2) (V-b) =cT this is equation of state of real gas find dimensions of a just tell answer i wanna comfirm mine ...

a weight with a mass `m` is attached to the end of a string with a length of length `l` fastened to a vertical rod rtating with a angular velocity `ω`.another string of the same length as the first and carrying on its end an ...

3)a sum of money is rounded off to d nearest rupee d rob that d roundd off error is at most 10 paise is ? ...

give a specific question , that'll be easier ...

*Image* Find the effective Resistance between A and B in the given circuit! ...

2)a natural no x ischossen at random frm dfirst 100 natural nos . d prob that x+100/x>50 is ? ( here if we take ne no gr8tr then 50 then it satisfies d given condition in addition to this if we take 1,2,48,49 it safist ...

1) A mapping is selcted at ranodm frm d set of all d mappings of d set A={1,2,3.....n} into itself .d probabbility that d mapping selcted is one to one is ? ...

eliminate θ and φ if sinθ+sinφ=a , cosθ+cosφ=b and tan(θ/2)tan(φ/2)=c the way i tried to solve this ques...has made the solution complex... ...

*Image* a spool with thread wound on it, of mass 'm', rests on a rough horizontal surface. its moment of inertia relative to it sown axis is equal to I=γmR2 , where γ is a numerical factor, and R is the outside ...

Is a doped semi-conductor electrically neutral w.r.t. the original semi-conductor as it has one extra electron or hole per atom in it's lattice? ...

A five-rupee coin,3 two-rupee coins & 2 one rupee coins are stacked together in a column at random. The probability that the coins of the same denomination are consecutive is ...

What is the difference between Anti-aromatic and non-Aromatic compounds????????? ...

the no. of values of triplet (a,b,c) 4 which acos2x+bsin2x+c=0 is satisfied by all real x ...

for a hyperbola with x-axis as the axis which the hyperbola intersects, why do why bother to find (0,±b). ...

If 7 colors of white light have different refractive indices in a medium then they should have different refractive indices in air as well. Then why don't we see splitting of colors in air. ...

how is hydrogen bonding responsible for the anamolous expansion of water???? plz explain properly n in details...... ...

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how should be a pencil held above a table to obtain a sharp shadow if the source of light is a daylight lamp in the form of a long tube secured on the ceiling. ...

how to dtermine equivalent weight of an element undergoing disproportionate reaction ???? ...

a particle is acted by force of constant magnitude whiich is always perpendicular to velocity of particle . the motion of the particle takes place in plane. it follws that: (a)velocity constant (b acceleration constant (c)K.E ...

a ball of mass 0.2kg is thrown vertically upward by applying a force by hand. if the hand move 0.2 metre above while applying the force and bal;l goes to distance 2. find f ...

A gas consisting of N-atomic molecules has the temperature T at which all degrees of freedom (translational, rotational, and vibrational) are excited. Find the mean energy o f molecules in such a gas. What fraction of this en ...

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