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Questions  

If a,b,cR and abc < 0, then the equation bcx2+2(b+ca)x+a=0 has

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By Expert Faculty of Sri Chaitanya
a
both positive roots
b
both negative roots
c
real roots
d
one positive and one negative root

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detailed solution

Correct option is C

Product of roots isabc<0           [∵abc<0]Hence, roots are real and of opposite sign.
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If ax2+(bc)x+abc=0 has unequal real roots for all cR, then

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