Question

if x = 1 and Y = 2 and Z = 5 find the value of
X2+y2+z2​

Answer 1

if X = 1

Y = 2

Z = 5

so x² + y² + z² will be

putting the values of x, y and z in the equation

1² + 2² + 5²

= 1 + 4 + 25

= 30

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