यदि ab + bc + ca = 0 है, तो (1)/( a^(2)...

यदि `ab + bc + ca = 0` है, तो ` (1)/( a^(2) - bc) + (1)/( b^(2) - ac) + (1)/( c^(2) - ab) ` का मान क्या होगा?

A

2

B

`-1`

C

0

D

1

लिखित उत्तर

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The correct Answer is:

C

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