Mark (√) against the correct answer in each of the following:
If the volume of a parallelepiped having 
and 
as conterminous edges, is 216 cubic units then the value of λ is
Given – The three coterminous edges of a parallelepiped are 
To find – The value of λ
Formula to be used - 
where 
and 
Tip - The volume of the parallelepiped =
Hence,
=5(21+2λ)-4(λ-28)-11
=206+6λ
The volume =206+6λ
But, the volume = 216 sq units
So, 206+6λ=216 ⇨λ=
1