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  • 14-12-2020
  • Mathematics
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nikishashrestha
nikishashrestha nikishashrestha
  • 14-12-2020

Answer:

its positive

Step-by-step explanation:

here,

a>0 which means the value of a can only be positive whereas b<0 which means the value of b can only be negative.

in the given question -4ab, its -4*a*-b=4ab

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