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If a x^2+b x+6=0 does not have distinct ...

If `a x^2+b x+6=0` does not have distinct real roots, then find the least value of `3a+bdot`

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RESONANCE DPP ENGLISH-JEE MAINS-All Questions
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  3. If a x^2+b x+6=0 does not have distinct real roots, then find the leas...

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