Express each of the following as a sum of perfect square (c) a² + 25b² + 4 - 5ab - 10b - 2a.
I want step by step explanation. Or fu*k off.
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hey hey your ans refer to attachment
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Multiply and divide by 2
=> 1/2 ( 2a² + 50b² + 8 - 10ab - 20b - 4a )
=> 1/2 ( a² + 25b² - 10ab + 25b² + 4 - 20b + a² + 4 - 4a )
=> 1/2 { ( a - 5b )² + ( 5b - 2 )² + ( a - 2 )² }
Hope you find it helpful.
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