Question

$(30 {}^{2} + 40 {} {}^{2}) {}^{ \frac{3}{2} } = x$
what is 'x'

Answer 1

30^2+40^2 whole to the power of 3/2
30 square is 900
40 square is 1600
if we add then we get
2500.
this can be written as 50^2
50^2*3/2
2 and 2 will get cancelled the remaining is 50^3
which is 125000
is the answer

Answer 2

x=(900+1600)3/2
x=(2500)3/2
x=(50)3
x=50×50×50
x=125000