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If t a nthetaa n ds e ctheta are the roo...

If `t a nthetaa n ds e ctheta` are the roots of the equation `a x^2+b x+c=0` , then `|s e ctheta-t a ntheta|=(sqrt(b^2-4a c))/(|a|)` b. `|s e ctheta-t a ntheta|=(sqrt(b^2+4a c))/(|a|)` c. `a^4+b^2(-4a c+b^2)` d. `b^4=a^2(4a c+a^2)`

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RESONANCE DPP ENGLISH-JEE MAINS-All Questions
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  2. Find the value of a if x^3-3x+a=0 has three distinct real roots.

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  3. If t a nthetaa n ds e ctheta are the roots of the equation a x^2+b x+c...

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  8. Solve the following equations: ||x-1|-e|=3

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  9. Solution of the differential equation (y+xsqrt(x y)(x+y))dx+(ysqrt(x y...

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  14. The number of values of x in the interval 0,5pi satisfying the equatio...

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  15. If z1a n dz2 are two complex numbers satisfying |z-4|=R e(z) and havin...

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  16. The number solution of the equation sgn(x^2)=|x-2| is 1 (b) 0 (c) 2...

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  17. If omega is a complex number such that |omega|=r!=1 , and z=omega+1/om...

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  18. The equation 2log(x+3)=log(alphax) has only one solution if

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  19. If 4^(sin2x+2cos^(2)x)+4^(1-sin2x+2sin^(2)x)=65 ,then(sin2x+cos2x) has...

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  20. If x^2+2a x+a<0AAx in [1,2], the find the values of a.

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