Exemplar Solutions Class 9 Chapter 1 Number Systems Exercise 1 Question 4
4. If (a=frac{3+sqrt{5}}{2}), then find the value of (a^2+frac{1}{a^2}). Number Systems Exercise 1.4 Previous Next Class 9 Number Systems Exercise 1.4 1. Express (0.6+0.bar{7}+0.4bar{7}) in the form (frac{p}{q}), where p and q are integers and (qne {0}). 2. Simplify: (frac{7sqrt{3}}{sqrt{10}+sqrt{3}})(-frac{2sqrt{5}}{sqrt{6}+sqrt{5}})(-frac{3sqrt{2}}{sqrt{15}+3sqrt{2}}).…
