Question

Plz need it fast I have an exam tomorrow

Answer 1

Answer:

[2√3(10√3-2√21)]/(10√3+2√21)(10√3-2√21)

=(60-4√63)/[(10√3)^2-(2√21)^2]

=(60-4√63)/(300-84)

=(60-4√63)/216

=(15-√63)/54

Step-by-step explanation:

hope it helps you