Question

√(29-12√5)-√(29+12√5) решите пж

Answer 1

$sqrt{sqrt{20} - 6sqrt{20}+9 } - sqrt{sqrt{20} + 6sqrt{20}+9 } = \ sqrt{(sqrt{20}-3)^{2}} - sqrt{(sqrt{20}+3)^{2}} =\ sqrt{20} -3 - sqrt{20} -3 = -6$

Answer 2

√(20-12√5+9)-√(20+12√5+9)=√(2√5-3)^2-√(2√5+3)^2=I2√5-3I-I2√5+3I=2√5-3-2√5-3=-6