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  1. Tardigrade
  2. Question
  3. Mathematics
  4. If the equation x2+px+2q=0 and x2+qx+2p=0(.p≠ q.) have a common root then the absolute value of (.p+q.) is

Q. If the equation and have a common root
then the absolute value of is

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Solution:

We have,


If and have common root then have same root common. Then,



Hence, common root is

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