If 
and –3≤λ≤2, then the range of 
is
Given that, 
and –3≤λ≤2
We know that, 
⇒ 
at λ = -3
⇒ 
at λ = 0
⇒ 
at λ = 2
Hence, the range of 
is [0,12]
32
If and –3≤λ≤2, then the range of is
Given that, and –3≤λ≤2
We know that,
⇒ at λ = -3
⇒ at λ = 0
⇒ at λ = 2
Hence, the range of is [0,12]