Question

rationalise the denominator 6/2+√5

Answer 1

hi friend,


given 6/2+√5

multiply and divide with 2-√5

=6(2-√5)/(4-5)

=-6(2-√5)

=6√5-12


I hope this will help u;)

Answer 2

6/2+√5
Rationalisation-
6/2+✓5 × 2-✓5/2-√5
= 6(2-✓5)/2²-(✓5)²
=12-6✓5/4-5
=12-6✓5/-1
=6✓5-12