Question 9 Simplify the following (i)√45−3√20+4√5(ii)√248+√549(iii)4√12×7√6(iv)4√28+3√7+3√7(v)3√3+2√27+7√3(vi)(√3−√2)2(vii)4√81−83√216+155√32+√225(viii)3√8+1√2(ix)2√33−√36

Question 9 Simplify the following (i)√45−3√20+4√5(ii)√248+�

1.	Question 9 Simplify the following (i)√45−3√20+4√5(ii)√248+√549(iii)4√12×7√6(iv)4√28+3√7+3√7(v)3√3+2√27+7√3(vi)(√3−√2)2(vii)4√81−83√216+155√32+√225(viii)3√8+1√2(ix)2√33−√36
Answer» Question 9 Simplify the following $(i) \sqrt{45} - 3 \sqrt{20} + 4 \sqrt{5} (i i) \frac{\sqrt{24}}{8} + \frac{\sqrt{54}}{9} (i i i) 4 \sqrt{12} \times 7 \sqrt{6} (i v) 4 \sqrt{28} + 3 \sqrt{7} + \sqrt[3]{7} (v) 3 \sqrt{3} + 2 \sqrt{27} + \frac{7}{\sqrt{3}} (v i) (\sqrt{3} - \sqrt{2})^{2} (v i i) \sqrt[4]{81} - 8 \sqrt[3]{216} + 15 \sqrt[5]{32} + \sqrt{225} (v i i i) \frac{3}{\sqrt{8}} + \frac{1}{\sqrt{2}} (i x) \frac{2 \sqrt{3}}{3} - \frac{\sqrt{3}}{6}$