the difference between 2 positive numbers is 5 and square of their sum is 169 find the 2 number
Answers
Answered by
0
Answer:
the difference between 2 positive numbers is 5 and square of their sum is 169 find the 2 number
Answered by
0
Answer:
y=4
Step-by-step explanation:
x-y=5
x=5+y-----> 1
{x}^{2} + {y}^{2} = 169x
2
+y
2
=169
(2y + 5) {}^{2} = \frac{ + }{ - } \sqrt{169}(2y+5)
2
=
−
+
169
2y + 5 = \frac{ + }{ - } 132y+5=
−
+
13
2y = - 5 + 132y=−5+13
\frac{2y}{2} = \frac{8}{2}
2
2y
=
2
8
y = 4y=4
2y = - 5 - 132y=−5−13
\frac{2y}{2} = \frac{ - 18}{2}
2
2y
=
2
−18
y = - 9y=−9 Ignore Negative sign
Y=4
Similar questions