Que 18 The sum of square of two consecutive positive integer is 365, find the numbers.
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Step-by-step explanation:
Let the consecutive numbers be x,x+1
Sum of their squares x
2
+(x+1)
2
=365
x
2
+x
2
+2x+1=365
2x
2
+2x−364=0
x
2
+x−182=0
x
2
+14x−13x−182=0
x(x+14)−13(x+14)=0
(x+14)(x−13)=0
x=−14,13
x=13
two consecutive positive integers=13,14
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