Question

if a=1+root7 find -6/2​

Answer 1

Answer:

=-6/1+roots

=6 (1-root7)/(1+root7)(1-root 7)

= 6 (1-root7) /1-7 ------(a^2-b^ in denominator)

=6 (1-root7) /-6

=1-root7/-1

=-1+root7

or

=root 7-1

Step-by-step explanation: