Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
Close
MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

⇐ BackProceed to Checkout ⇒
There are no items in this cart.
Continue Shopping

In a Pentagon PQRS prove that vectorbPT+QR+SR+TS+PR=3PR

In a Pentagon PQRS prove that vectorbPT+QR+SR+TS+PR=3PR

Grade:12

1 Answers

Arun
25763 Points
4 years ago
LHS = PQ→ + PT→ + QR→ + SR→ + TS→ + PR→
= PQ→ + QR→ + PT→ + TS→ + SR→ + PR→
= PR→ +PS→ + SR→ + PR→ [∵ PQ→ + QR→ = PR→ and PT→ + TS→ = PS→]
= PR→ + PS→ + PR→ – PS→ + PR→ [∵ PS→ + SR→= PR→ ⇒ SR→ = PR→ – PS→ ]
= 3 PR→= RHS
Hence proved.

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

Other Related Questions on Vectors

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Register ICAT

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More