1-Use suitable identity to get products(A 4a- 4a – InterviewSolution

1.	1-Use suitable identity to get products(A 4a- 4a
Answer» (4a -1/3)(4a -1/3)=(4a -1/3)^2=(4a)^2 +(1/3)^2 -2(4a)(1/3)=16a^2 +1/9 -8a/3

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