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q1.) f(x).f( 1/x ) = f(x) + f 1/x ) f(3)=28 find f(4). q2.) f(x)= x4+ ax3+bx2+cx+d f(1)=10 , f(2)=20 , f(3)=30 find f(12) + f(-8) plz tell me d general way to solve such functional equations.....i hv found such questions in m ...
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q.) d activity of a radioactivity isotope falls to 12.5% in 90 days. find decay constant. this ques. is solved in p bahadur.... it has used d eq. - K= 2.303/90 log 100/12.5 but d eq. shud be K= 2.303/90 log 100/87.5 na? since ...
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find range of- y= tax(x + pi/12 ) / tax(x - pi/12 ) ...
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f(x)= cosx/[ 2x/pi ]+1/2 N.B - 2x/pi is in greatest integer function. nd x is not interger multiple of pi. is this fn. even , odd, neither even nor odd ??? ...
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explain y steric inhibition of resonance decreases dipole moment??? *Image* ...
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if 1000!= 2n.I, where I is an odd integer then the value of n??? ...
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d only cation present in a slight acidic sol. are Fe+3, Zn+2 and Cu+2 . d reagent dat when added in excess to this sol. would identify and separate Fe+3 in one step. a. 2 M HCl b. 6 M NH3 c. 6 M NaOH d. H2S gas ...
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till now i have given my BT tests offline but from now onwards i want to give my remaining tests online. I want to know how to get the id and pass required for online examination. i tried my doubt letter id and pass but it di ...
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i just wanna confirm dat does NaNH2 converts internal alkyne to terminal alkyne??? ...
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locus of center of circle which touches (x+2)^2 + y^2 =4 nd (x-1)^2 + y^2=1 externally. let A is d vertex of its locus. An isosceles triangle is constructed such dat its vertex is at A nd base touches d circle. what is d area ...
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if f(x) nd g(x) r twice differentiable functions on [0,2] nd if f''(x) = g''(x) nd f' (1) =4 , g' (1)=2 nd f(2)=3 , g(2)=9 then find g(4)- f(4)?? ...
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40 atoms of radioactive element x( t→1/2=10 hours) r present.how many r likely to remain after 40 hours.... a. 1 b. 2.5 c. 5 d. 3 since radioactivity follows 1st order kinetics so t half should remain constant and by doing ...
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liquid ammonia ionizes to a slight extent. at -50 degree Celsius its ionization constant is K(NH3 )= [NH4+][NH2-]=10-30. how many amide ions are present per cm3of pure liquid ammonia??? ...
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how many of u r giving fiitjee aits part test 1 on 25th??? ...
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a metal ball falls vertically nd strikes plane inclined at an angle (theta) to d horizontal (theta <45). d ball rebounds horizontally. show dat d fraction (1-e) of d kinetic energy is lost during d impact if m is d mass nd ...
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can toppling occur even in absence of friction??? plz explain....... ...
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2 trans, each wid speed 50 km/h , r headed towards each other on d same track. a bird which can fly at d rate of 100 km/h flies off one train when they r 100km apart and heads directly to other train. on reaching d other trai ...
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*Image* d question is to find d equivalence capacitance b/w a nd z. by symmetry charge on red capacitors will be same ( let q1) , similarly charge on green capacitors will also be same( let q2) . i have a doubt whether d char ...
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FIND D EQUIVALENCE RESISTANCE B/W D TERMINALS OF D CELL *Image* ...
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d range of d function 4{x}3-3{x} ...
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lim x→2 ( x-2 + x - 2 )/ x2-4 ...
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arrange d molecules in decreasing order of dipole moment. CH3Cl, CH2Cl2, CHCl3, CCl4 plz explain the solution. ...
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find all linear functions from [-2,4] to [10,15] which are onto??? ...
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how we will draw d graph of sin x and sin2??? ...
