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Question

Find two consecutive positive integers, sum of whose squares is 365.

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Solution

Let the consecutive numbers be x,x+1

Sum of their squares x2+(x+1)2=365x2+x2+2x+1=3652x2+2x364=0x2+x182=0x2+14x13x182=0x(x+14)13(x+14)=0(x+14)(x13)=0x=14,13

Since, x can't be a negative integers.
x=13
Hence, two consecutive positive integers=13,14


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