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the value of p such that the vertex of y=x2+2px+13 is 4 units abovethe y-axis,is a}2 b}+ - 4 c. 3 d. -3 ...
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A NORMAL TO A PARABOLA Y2=4AX MAKES ANGLE θ WITH X AXIS WHERE TANθ=2 IF IT CUTS THE CURVE AGAIN AT AN ANGLE θ1 THEN θ1EQUALS A. 45 B. 30 C. 60 D. 90 IF X+4Y=14 IS A NORMAL TO CURVE Y2=αX3-βAT (2,3) THEN VALUE OF α+β I ...
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maximum length of perpendicular from centre of ellipse x2/9+y2/4 =1 on any normal to this ellipse is equal to a+5, then value of a is a. -4 b. -3 c. 4 d. none ...
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*Image* a small particle of mass M/10 is moving horizontally at a height of 3R/2 from ground with velocity 10 m/s. a perfectly inelastic collission occurs at point P of sphere of mass m placed on smooth horizontal surface. th ...
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if the focus of parabola y2+8=4x coincides with one of the foci of ellipse3x2+by2-12x=0 then eccentricity of ellipse is a. 1/2 b.1/√2 c.1/4 d. none of these paragraph question ABCD is a trapezium in whichAD is perpendicular ...
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*Image* 1. a ball is allowed to fall from a height of 10 metre. if there is 40% loss of energy due to impact then after one impact ball will go upto a, 10 b. 8 c.6 d. 4 2. a particle is projected with kinetic energy k. its ra ...
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1. let f(x)=x2+bx+c,where b,c ε R.if f(x) is a factor of both x4+6x2+25 and 3x4+4x2+28x+5,then least value of f(x) is a. 2 b. 3 c. 5/2 d. 4 2. the number of ordered pair of positive integers x,y such that x2+3y and y2+3x are ...
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If α, β,γ are the cube roots of p,(p<0), then for any x,y,z (α*x+β*y+γ*z)/(β*x+γ*y+α*z) is equal to (A) α *ω+β*ω2+γ (B) α*β*γ (c) ω,ω2 (d) none ...
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if modulus of z-i is less than 1 then the value of modulus of z+12-6i is less than a)14 b) 2 c) 28 d) none. plz show that how to do it??? ...
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THE DENSITY OF GRAPHITE IS 1.5 AND DENSITY OF DIAMOND IS 3.5 CHANGE IN GIBBS ENERGY IS 1895 JOULE/MOLE. WHAT IS THE PRESSURE WHEN GRAPHITE CHANGES TO DIAMOND ...
