Question

Prove that : (x +y) ^3 +(y+z) ^3 +(z+x) ^3 - 3(x+y) (y+z) ( z+x) =2 (x^3 +y^3 +x^3 - 3xyz​

Answer 1

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Answer 2

Answer:

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Step-by-step explanation:

Plants have tissues to transport water, nutrients and minerals.

Xylem transports water and mineral salts from the roots up to other parts of the plant, while phloem transports sucrose and amino acids between the leaves and other parts of the plant.

Xylem and phloem in the centre of the plant root