Find the value of a and b if (√5 - 1)/(√5 +1) = a - b√5
(don't answer:- "I don't know" or somethin' like that)
Answers
Answered by
7
(√5-1)/(√5+1)
by taking conjugate
=(√5-1)/(√5+1) x (√5-1)/(√5-1)
=(√5-1)²/5-1
=5+1-2√5 /4
=6-2√5/4
=3-√5/2
a=3/2
b=-1/2
by taking conjugate
=(√5-1)/(√5+1) x (√5-1)/(√5-1)
=(√5-1)²/5-1
=5+1-2√5 /4
=6-2√5/4
=3-√5/2
a=3/2
b=-1/2
CoolixirPratt:
Nah man! I had given (√5-1) DIVIDED BY (√5+1)=a + b√5
Similar questions