if a b ndash c 0 then the value of 2b2c2 2c2a2 2a2b2 ndash a4 ndash b4 | Examsbook

358

Q:
If a + b – c = 0 then the value of 2b²c² + 2c²a² + 2a²b² –a⁴ – b⁴– c⁴

1
7
2
0
3
14
4
28

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Answer : 2. "0"

Maths Algebra Question with answer

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