find two consecutive positive integers sum of whose squares is 365.I will mark them as brain list if the answer is correct
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Find two consecutive positive integers, sum of whose squares is 365.
Solution:
Let first number be x
Let second number be (x+1)
According to given condition, we have
x2+(x+1)2=365 {(a+b)2=a2+b2+2ab}
⇒x2+x2+1+2x=365
⇒2x2+2x−364=0
Dividing equation by 2, we get
x2+x−182=0
⇒x2+14x−13x−182=0
⇒x(x+14)−13(x+14)=0
⇒(x+14)(x−13)=0
⇒x=13,−14
Therefore first number = 13 {We discard -14 because it is given that number is positive).
Second number = x+1=13+1=14
Therefore two consecutive positive integers are 13 and 14 whose sum of squares is equal to 365.
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Answered by
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let one integer =x
another =x+1
ACCORDING TO THE QUESTION,
x+x+1=365
2x+1=365
2x=364
x+1=183
PLEASE MARK IT AS BRAINLIST
another =x+1
ACCORDING TO THE QUESTION,
x+x+1=365
2x+1=365
2x=364
x+1=183
PLEASE MARK IT AS BRAINLIST
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