Page 30 - E booklet prep 3 bader 2025 b_Neat
P. 30
Example 3 :
If a , b , c , d are in continued proportional prove that:
?? - ???? ???? + ????
?? - ???? = ???? + ????
c = dm , b = d???? , a = d????
LHS = ??????-???????? = ??????( ??-??) = ????
??????-??????
???? ( ??- ??)
RHS = ????????+ ?? ???? = ????
?? ????+?? ??
LHS = ??????
| P a g e 30
