Question

please answer this question with explanation fast
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Answer 1

Step-by-step explanation:

the number is ∛(a+1) x .

is already under radical sign.

So inorder for the product to be a mixed surd,

∛(a+1) should be a whole number.

a + 1 should be the cube of a whole number.

First cube number = 1³ = 1

Then a = 0

Given a should positive interger.

Second least cube = 2³ =8

a + 1 = 8

a = 7

Therefore, least positive integral value of a is 7.

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Answer 2

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