(x-y)(x+y)(x²+y²)(x⁴+y⁴) is equal to

23

If the volume of a cuboid is 3x²-27, then its possible dimensions are

24

If = 1, then a³+b³ =

25

75×75+2×75×25+25×25 equal to

27

If 48a²-b= , then the value of b is