Which of the following is equal to b^(-(...

Which of the following is equal to `b^(-(1)/(2))` for all values of b for which the expression is defined?

A

`(b)/(b^(2))`

B

`(sqrt(b))/(b)`

C

`(1)/(sqrt(2b))`

D

`(1)/(2)b`

Text Solution

Verified by Experts

The correct Answer is:

B

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Knowledge Check

Which of the following is equal to y^((3)/(2)) for all values of y for which the expression is defined?

A

`root(3)(y^(2))`

B

`sqrt(y^(3))`

C

`sqrt(y^((1)/(2)))`

D

`3sqrt(y)`

Which of the following is equal to a^(2/3) , for all values of a ?

A

`sqrt(a^(1/3))`

B

`sqrt(a^(3))`

C

`root(3)(a^(1/2))`

D

`root(3)(a^(2))`

Which of the following expressions is equal to 0 for some value of x ?

A

` | x - 1 | - 1 `

B

` | x + 1 | + 1 `

C

` | 1 - x | + 1 `

D

`| x - 1 | + 1 `

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Which of the following expressions is equivalent to 2a+4b+6c ?

For all a > 0, which of the following expression is equal to a^(-2) ?

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