21,30,55,104,225,?- Solve this problem
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what the heck is your question
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Answer:
225 + 169 = 394
Step-by-step explanation:
30-21 =9 .....3^2
55-30 =25 .....5^2
104-55=49......7^2
11 square
13 ^2 =169......225+169
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