sqrt7 is a :...

`sqrt7` is a :

A

Rational No.

B

Irrational No.

C

Whole number

D

Integer

Text Solution

Verified by Experts

The correct Answer is:

B

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Evaluate : ( sqrt(5) + sqrt(7 ) ) /( sqrt(5) - sqrt(7 ) )

Knowledge Check

The Simplified form of (2)/(sqrt(7)+sqrt(5))+(7)/(sqrt(12)-sqrt(5))-(5)/(sqrt(12)-sqrt(7)) is :

A

`5`

B

`2`

C

`1`

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If sqrt (7 sqrt (7 sqrt (7 sqrt (7)......)))= (343) ^( r-1) then y is equal t

A

`2/3`

B

`1`

C

`4/3`

D

`3/4`

The simplified form of ( 2)/(sqrt(7) + sqrt(5)) + (7)/(sqrt(12)- sqrt(5)) - (5)/(sqrt(12) - sqrt(7)) is

A

5

B

2

C

1

D

0

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