Question

If x= 1, y = 2 , Z = 5
find the value of the following

${ y}^{2} + {x}^{2} + {z}^{2}$


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Answer 1

Answer:

30

Step-by-step explanation:

y²+x²+z²

2²+1²+5²

4+1+25

5+25

30

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Answer 2

We have

$\rightarrow \sf x = 1 \\ \sf \rightarrow y = 2 \\ \sf \rightarrow z = 5$

$\sf \: { y}^{2} + {x}^{2} + {z}^{2} = {1}^{2} + {2}^{2} + {5}^{2} \\ \sf = 1 + 4 + 25 \\ \sf \boxed{{ y}^{2} + {x}^{2} + {z}^{2}= 30}$

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