Question

Rationalise:

please please

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Answer 1

Answer:

1/8-√60

Step-by-step explanation:

By doing the method of rationalisation

8-√60÷8-√60*8+√60

8-√60÷(8²)²-(√60)²

8-√60/64-60

8-√60/4

8-2√15

2(4-√15)/4

4-√15/4

HOPE IT HELPS YOU.... .......

Answer 2

Answer:

( 4 + √15 ) /2

Step-by-step explanation:

1 / ( 8 - √60 )

= ( 8 + √60 ) / ( 8 - √60 ) ( 8 + √60 )

= ( 8 + √60 ) / ( 8^2 - √60^2 )

= ( 8 + √60 ) / ( 64 - 60 )

= ( 8 + 2√15 ) / 4

= 2 ( 4 + √15 ) / 4

= ( 4 + √15 ) / 2

Therefore, 1 / ( 8 - √60 ) = ( 4 + √15 ) / 2