can you explain me this problem
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Answered by
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Hey buddy here is ur solution
Let the numbers be 2x, 3x and 4x
sum of cubes = 33957
⇒(2x)³ + (3x)³ + (4x)³ = 33957
⇒8x³ + 27x³ + 64x³ = 33957
⇒99x³ = 33957
⇒x³ = 33957/99 = 343
⇒x = 343 = 7
Numbers are:
2x = 2×7 = 14
3x = 3×7 = 21
4x = 4×7 = 28
Let the numbers be 2x, 3x and 4x
sum of cubes = 33957
⇒(2x)³ + (3x)³ + (4x)³ = 33957
⇒8x³ + 27x³ + 64x³ = 33957
⇒99x³ = 33957
⇒x³ = 33957/99 = 343
⇒x = 343 = 7
Numbers are:
2x = 2×7 = 14
3x = 3×7 = 21
4x = 4×7 = 28
hnsmaryan:
will u be
Answered by
1
given that
three ration 2,3 and 4
let ration be 2x ,3x,4x respectively
a to q
2xcube +3xcube+4xcube=33957
8xcube+27xcube+64xcube=33957
99xcube=33957
xcube=33957by 99
xcube=343
x=7
hence the number are
2x=2x7=14
3x=3x7=21
4x=4x7=28
hence the first option is correct
three ration 2,3 and 4
let ration be 2x ,3x,4x respectively
a to q
2xcube +3xcube+4xcube=33957
8xcube+27xcube+64xcube=33957
99xcube=33957
xcube=33957by 99
xcube=343
x=7
hence the number are
2x=2x7=14
3x=3x7=21
4x=4x7=28
hence the first option is correct
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