Question

What is the value of x 2 + y 2 – 10 at x = 0 and y = 0?

Answer 1

Value is -10

ur answer-10

Answer 2

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$x = 0 \\ y = 0 \\ \\ {x}^{2} + {y}^{2} - 10 \\ substituting \: values \\ = {0}^{2} + {0}^{2} - 10 \\ = - 10$

Hence, the value is -10