Math, asked by ritika16706, 1 year ago

Please answer today is my unit test 13,14,15

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Answered by ShRi935

1

Answer:

answer 13

If X + y +z=0 then

Step-by-step explanation:

x^3 + y^3+z^3 + 3xyz= (X + y+z)(------)

hence x3 + y3 + z3 = 3xyz

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