If a^4 +a^2 b^2 +b^4 =8 and a^2 +ab +b^2 +4 then the value of ab is - – McqOptions

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1.	If a^4 +a^2 b^2 +b^4 =8 and a^2 +ab +b^2 +4 then the value of ab is -
A.	2
B.	1
C.	8
D.	0
Answer» C. 8

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