Solution:
By using the formulal(a + 2)2 =(a–2)2 + 4ab
⇒ (m + )2 =(m– )2 +4ab (Here, a = m, b = )
⇒ (m + )2 =25 + 4× m m + = –(i)
Now , m2 –(ii) (Given)
(using –(i))
MathematicsIf
m−1
m
=5;
find the value of
m
2
1
m
2
If find the value of
(a + 2)2 =(a–2)2 + 4ab
⇒ (m + )2 =(m– )2 +4ab (Here, a = m, b = )
⇒ (m + )2 =25 + 4× m m + = –(i)
Now , m2 –(ii) (Given)
(using –(i))
