Question

Find the cube root of 25acube + 54a square b + 3ab square + 8bcube

Answer 1

Answer:

138.0652019880462

Step-by-step explanation:

please mark me as brainlist answer

Answer 2

Answer:

it is then imperfect cube

step by step explantion:

let

cube root of [25a3+54a2b+3ab2+8b3] =[ax+by]

or,

25a3+54a2b+3ab2+8b3=(ax+by)3

= a3 x3+3a2 byx2+3a b2 y2 x+b3 y3

by comparison

y3=8, y2 and y2 = 1 , y= 1

the values of x and y are not always coming up the same.