Math, asked by navkaran181207, 1 month ago

p please answer these question and follow please jaro answer dado jar please

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Answers

Answered by inspirationalgdandyt

1

Answer:

Rs 322

Step-by-step explanation:

a^3+b^3=(a+b)^3-3ab(a+b)

x^3+1/x^3=(x+1/x)^3-3.x.1/x(x+1/x)=7^3-3*7=343-21=322

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