1.

Find the value of 4x2 + y2 + 25x2 + 4xy − 10yz − 20zx when x= 4, y = 3 and z = 2.

Answer» Find the value of 4x2 + y2 + 25x2 + 4xy − 10yz − 20zx when x= 4, y = 3 and z = 2.


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