Question

1^2+(1^2+2^2)+(1^2+2^2+3^2)
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Answer 1

Answer:

1²+(1²+2²)+(1²+2²+3²)

1+(1+4)+(1+4+9)

1+5+14

=20

Step-by-step explanation:

hope it helps...

Answer 2

Answer:

20

Step-by-step explanation:

1² + (1² + 2²) + (1² + 2² + 3²)

= 1 + (1 + 4) + (1 + 4 + 9)

= 20.

Have a good day <3