tolong jawab yaaa.... pakai caranya!!!

5. 13 / 4-√3
= (13 / 4-√3)(4+√3 / 4+√3)
= 13(4+√3) / 16+4√3-4√3-(3)
= 13(4+√3) / 16+ 0 -3
= 13(4+√3) / 13
= 4 + √3 in answer is opsi c

Math so easy and simple...