1.

Prove that root(3)(x^(3)+7)-root(3)(x^(3)+4) is approximately equal to (1)/(x^(2)) when x is large.

Answer»


ANSWER :`=(x+(7)/(3)xx(1)/(x^(2)))-(x+(4)/(3)xx(1)/(x^(2)))=(1)/(x^(2))`.


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