In the given figure- ABparallel PQparallel CD- AB-x units- CD-y and PQ-z units- prove that dfrac - 1 - x - -dfrac - 1 - y - -dfrac - 1 - z -

Question

In the given figure- ABparallel PQparallel CD- AB-x  units- CD-y and PQ-z units- prove that dfrac - 1 - x - -dfrac - 1 - y - -dfrac - 1 - z -

Toppr Admin · Accepted Answer

In the given figure, $$AB\parallel PQ\parallel CD$$, $$AB=x $$ units, $$CD=y$$ units and $$PQ=z$$ units, prove that $$\dfrac { 1 }{ x } +\dfrac { 1 }{ y } =\dfrac { 1 }{ z }$$.