The sum of two numbers is 18 and sum of their square is 290 find the number
Answers
Answered by
15
Answer:
17 & 1
Step-by-step explanation:
x + y = 18
x^2 + y^2 = 290
squaring eq 1
x^2 + y^2 +2xy = 18^2
290 +2xy = 324
2xy = 34
(x-y)^2 = x^2+y^2 -2xy
(x-y)^2 = 290 -34
(x-y)^2 = 256
x-y = 16
x+y = 18
adding both
2x = 34
x = 17
17 +y = 18
y = 1
numbers are 17 & 1
Answered by
0
Answer:
thank u sir
Step-by-step explanation:
for your answer
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