Question

find the fourth proportional to (x-y),(x²-y²) and (x²-xy+y²)​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

let forth proportional be k.

a/q

(x - y) / (x2 - y2) = (x2 -xy +y2) / k

=> (x - y) / (x + y) *(x - y) = (x2 - xy + y2) / k

=>k = (x+ y) *(x2 -xy + y2)

therefore, k = x3 + y3.