Angle ABD=angle CDB=angle PQB=90.If AB=x units,CD=y units,PQ=z units prove that 1/x+1/y=1/z
Copyright © 2021 Applect Learning Systems Pvt. Ltd. All rights reserved.
- 011-40705070
Applect Learning Systems Pvt. Ltd.
Angle ABD=angle CDB=angle PQB=90.If AB=x units,CD=y units,PQ=z units prove that 1/x+1/y=1/z