3 years ago

True or false the columbia exchange has had a lasting effect on the world?

History

1 answer:

Sladkaya [172]3 years ago

6 0

Answer:

I think True.

Explanation:I say True because it have a long lasting effect.

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I ll give BRAINLIEST!!! (x²-1)³ with Identities how much it is and also explain plzzzz

uranmaximum [27]

Explanation:

${ {(x}^{2} - 1)}^{3} \\ from \: difference \: of \: squares \\ ( {a}^{2} - {b}^{2} ) = (a - b)(a + b) \\ hence \: { {(x}^{2} - 1)}^{3} = { {(x}^{2} - {1}^{2}) }^{3} \\ = ( {x - 1)}^{3} {(x + 1)}^{3} \\ since \: {(a - b)}^{3} = ( {a}^{3} - {b}^{3} + ab(a - b)) \\ {(a + b)}^{3} = ( {a}^{3} + {b}^{3} + 3ab(a + b)) \\ hence \: \: a = x \\ \: \: \: \: b = 1 \\ substitute \: in \: the \: identities$