yatharth1203
yatharth1203 yatharth1203
  • 09-03-2021
  • Mathematics
contestada

the sum of two numbers is 5 and difference of their square is 5 find the difference if number​

Respuesta :

willsvictory3 willsvictory3
  • 09-03-2021

Answer:

x+y=5...i

x²-y²=5...ii

from i, x+y=5

x=5-y...iii

substitute iii in ii

(5-y)²-y²=5

25-2y²=5

2y²=20

y²=10

y=✓10

put y=✓10 in i

x+✓10=5

x=5-√10

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