4. If a, ß are the roots of x2 - 1= 0, thena + B =1) 0 2) 1 3)-1 4)21

1.	4. If a, ß are the roots of x2 - 1= 0, thena + B =1) 0 2) 1 3)-1 4)212.
Answer» ANSWER: The COMBINING CAPACITY of an atom is known as its VALENCY

4. If a, ß are the roots of x2 - 1= 0, thena + B =1) 0 2) 1 3)-1 4)212.

Answer»

ANSWER:

The COMBINING CAPACITY of an atom is known as its VALENCY

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4. If a, ß are the roots of x2 - 1= 0, thena + B =1) 0 2) 1 3)-1 4)212.​

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4. If a, ß are the roots of x2 - 1= 0, thena + B =1) 0 2) 1 3)-1 4)212.