Express 21² as the sum of two consecutive integers.
Answers
Answered by
31
Answer:
(21)^2=441
1st consecutive number be x.
2nd number =(x+1)
x+x+1=441
2x=441-1
x=440/2
x=220
2nd number=220+1=221
so, answer are 220 and 221.
Answered by
10
Answer:
220 + 221
Step-by-step explanation:
21^2= 441
220+221=441
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