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Let lambda in R . If the origin and the...

Let `lambda in R` . If the origin and the non-real roots of `2z^2+2z+lambda=0` form the three vertices of an equilateral triangle in the Argand lane, then `lambda` is `1` b. `2/3` c. `2` d. `-1`

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RESONANCE DPP-JEE MAINS-All Questions
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