If ab = 21 and then value of is
115
121
125
125
B.
121
ab = 21 ...(i)
3a = 7b
...(ii)
From equation (i),
From equation (ii),
= 49 + 9 + 63
= 121
Among below expressions which one can be expressed as the difference of two cubic expressions?
If and V1 and V2 are the minimum and the maximum values of then is equal to
-36
36
72
72