two numbers 4x and 5x are such that sum of their cubes is 189. find x
Answers
Answered by
4
their cubes
4x= 64x^3
5x = 125x^3
their sum
64x^3 + 125x^3= 189
189x^3 = 189
x^3 =189/188
x^3= 1
so x= 1
the value of x is 1.....
HOPE HELPED
4x= 64x^3
5x = 125x^3
their sum
64x^3 + 125x^3= 189
189x^3 = 189
x^3 =189/188
x^3= 1
so x= 1
the value of x is 1.....
HOPE HELPED
Answered by
3
Given Equation : (4x)³+(5x)³=189
64x³+125x³=189
189x³=189
x³=189/189
x³=1
x =1
So the numbers are 4 and 5
Similar questions