Practice problem
Simplify 20a7b6c5d4\sqrt{20a^7b^6c^5d^4}20a7b6c5d4 if a,b,c,d>0a,b,c,d>0a,b,c,d>0.
2bd5ac2bd\sqrt{5ac}2bd5ac
2abcd52abcd\sqrt{5}2abcd5
2(ab)3(cd)25ac2(ab)^3(cd)^2\sqrt{5ac}2(ab)3(cd)25ac
2b3d25ac2b^3d^2\sqrt{5ac}2b3d25ac
Type a concept, like “slope” or “photosynthesis”.
