Question

If x=1 y=2 z=3 find the value of x2+y2+2xyz

Answer 1

Answer:

Answer is 18

Explanation:

x2 + y2 + 2xyz

(1)2 + (2)2 + 2(1)(2)(3)

1*2 + 2*2 + 2*1*2*3

2 + 4 + 12

18

Answer 2

Answer:

the answer is 17.

Explanation:

=1square+ 2square+ 2*3*2*1

=1+4+2*6

=1+4+12

=5+12

=17

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