Question

. If x = 1, y = 2 and z = 5, find the value of (ii) x 2 + y 2 + z 2​

Answer 1

Answer:

Step-by-step explanation:

• equation = x 2 + y 2 + z 2​
• substituting the values = (1x2) + (2x2)+(5x2)
•                                         =(2)+(4)+(10)

         Answer         = 16

Answer 2

The answer is :16

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