Solve Q7 (6)

7. Rationalise the denominator and simplify:
(vi)  5 + 3 5 - 3  
 

Dear Student,

vi 5+35-3= 5+35-3×5+35+3Using a2-b2= a-ba+b= 5+325-3using a+b2=a2+b2+2ab= 5+3+2152= 8+2152= 24+152= 4+15

Regards

  • 2
What are you looking for?