Question

what is the value of x2 +y2 -10 at x=0 and y= o

Answer 1

-10 is the answer
For this u must substitute the value of x and y first

Answer 2

HII frnds
X2 +Y2 -10
X= 0
Y =0
then
(0)2+Y2-10=0

then
y2=10
y
$y = \sqrt{10}$
y=0
X2+ (0)2-10=0
X2 =10

${x}^{2} = 10 \\ x = \sqrt{10}$

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