1/5+2root3 rationalise the denominator.
Answers
Answered by
7
Hi friend!!
» (1/5+2√3) × (5-2√3)/(5-2√3)
» (5-2√3)/(5+2√3)(5-2√3)
» (5-2√3)/(5²-(2√3)²)
» (5-2√3)/(25-4(3))
» 5-2√3/25-12
» 5-2√3/13
Hence rationalised the denominator!
» (1/5+2√3) × (5-2√3)/(5-2√3)
» (5-2√3)/(5+2√3)(5-2√3)
» (5-2√3)/(5²-(2√3)²)
» (5-2√3)/(25-4(3))
» 5-2√3/25-12
» 5-2√3/13
Hence rationalised the denominator!
Similar questions