MEDIUM
JEE Main/Advance
IMPORTANT
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If ap+q2+2bpq+c=0 and ap+r2+2bpr+c=0; a0, then

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Important Questions on Theory of Equations

HARD
JEE Main/Advance
IMPORTANT
If α, β are the nonzero roots of ax2+bx+c=0 and α2, β2 are the roots of a2x2+b2x+c2=0, then a, b, c are in
HARD
JEE Main/Advance
IMPORTANT
If the roots of the equation ax2+bx+c=0 are of the form k+1k and k+2k+1 then a+b+c2 is equal to
EASY
JEE Main/Advance
IMPORTANT
If α, β are the nonzero roots of ax2+bx+c=0 and α+h, β+h are the roots of px2+qx+r=0, then h
HARD
JEE Main/Advance
IMPORTANT
If one root of x2-x-k=0 is square of the other, then the value of k is 
MEDIUM
JEE Main/Advance
IMPORTANT
If α and β be the roots of the equation x2+px-12p2=0. Where p  R. Then the minimum value of α4+β4 is
MEDIUM
JEE Main/Advance
IMPORTANT
If α, β are the roots of x2+px+q=0 and γ, δ are the roots of x2+px+r=0, then α-γ α-δβ-γ β-δ=
MEDIUM
JEE Main/Advance
IMPORTANT
The value of m for which one of the roots of x2-3x+2m=0 is double of one of the roots of x2-x+m=0 is
HARD
JEE Main/Advance
IMPORTANT
If the equation x2-3px+2q=0 and x2-3ax+2b=0  have a common root and the other root of the second equation is the reciprocal of the other root of the first, then 2q-2b2 is equal to