Question

.If ${ \frac{3+2 \sqrt{2} }{3- \sqrt{2} } }$= a +b$\sqrt{2}$then find a & b where a & b are rational numbers

Answer 1

rationalise. u will get 7 in d denominator of LHS, multiply it to RHS. open d bracket in LHS, dn compare d terms. u wl find, a=13/7, b= 9/7
ask if u still hv doubts. :)