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b =3
c=√5
dit=sederhanakan 12/3+√5?
jawab
rumus=
a/b+√c=a/b+√c×b-√c/b-c=a(b-√c)/b²-c
12/3+√5=12/3+√5×3-√5/3-√5=12(3-√5)/3²-5
=12(3-√5)/9-5
=12(3-√5)/4
=9+3√5
#maaf kalau salah.