Math, asked by Mdarif8858, 1 year ago

Write whether (2 root 45 + 3 root 2)/2 root 5 on simplification gives a rational or an irrational number

Answers

Answered by mysticd
2
Hi ,

( 2√45 + 3√2 )/2√5

= [ 2√(3×3×5) + 3√2 ]/2√5

= ( 6√5 + 3√2)/ 2√5

= 6√5/2√5 + 3√2/2√5

= 1 + ( 3√2 × √5 )/ ( 2√5×√5 )

= 1 + ( 3√10 )/10

Irrational number

I hope this helps you.

: )
Answered by sargamkashyap
9
HOPE IT HELPS U IF YEAH PLZ MARK IT AS BRAINLIEST♥️✌️
Attachments:
Similar questions