Q13 of 59 Page 77

If then prove that .


Take one term and subtract other two other from it:





Hence, proved.


More from this chapter

All 59 →
9

If a, b, c, d are in proportion, then prove that

i.


ii.


iii.

10

If a, b, c are in continued proportion, then prove that

(i)


(ii)

11

Solve:

 12

If , then prove that every ratio = x/y.