Bilangan yg snilai dgn 2√3/√3-√7
Matematika
A190
Pertanyaan
Bilangan yg snilai dgn 2√3/√3-√7
1 Jawaban
-
1. Jawaban DimasRaka
2√3/(√3 - √7)
= 2√3/(√3 - √7) × (√3 - √7)/(√3 - √7)
= 2√3(√3 - √7)/(3 - 7)
= (2 × 3 - 2√21)/-4
= (6 - 2√21)/4
= 6/4 - 2√21/4
= 3/2 - ½√21