If m+1 / {m -2} = 4 then, what is value of (m – 2)^2 + 1/ (m -2)^2 = ?

RRB NTPC Mains or Stage 2 Model Paper 9 with solutions

Question : 11 of 120

Marks: +1, -0

m+1 / {m -2} = 4

then, what is value of (

m – 2)^2 + 1/ (m -2)^2 = ?

Solution:

(c)

m+1/{m-2} =4

m^2-6m+9=0

(m – 3) (m – 3) = 0
m = 3
m – 2 = 1
Now

(m – 2)^2 + 1/{( m-2)^2}

= 1^2+1/1^2=2

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