Question

Bentuk sederhana dari 4/(3-√7) adalah

Answer 1

Pakai rumus rasional

4/(3-√7)
= 4/(3-√7) x (3+√7)/(3+√7)
= 4(3+√7)/9-7
= 12 + 4√7/2
= 6 + 2√7

Answer 2

=4/(3-akar7) dikali (3+akar7)/(3+akar7)
=12+4akar7/(9+3akar7-3akar7-7)
=12+4akar7/2
=6+2akar7