Click to Chat

1800-1023-196

+91-120-4616500

CART 0

• 0

MY CART (5)

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

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping
`        If the roots of the equation p(q-r)x^2+q(r-p)x+r(p-q)=0 are equal.show that 1/p+1/r=2/q.`
3 years ago

Ram Prakash Verma
26 Points
```							Take x = 1Root × root = coffeicient of x ÷ coffeicient of x^2r(p-q) = q(r-p)rp+pq= 2prDivide whole by pqr1/p + 1/r = 2/q.........................................
```
2 years ago
Think You Can Provide A Better Answer ?

## Other Related Questions on Discuss with colleagues and IITians

View all Questions »

### Course Features

• 728 Video Lectures
• Revision Notes
• Previous Year Papers
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Test paper with Video Solution

### Course Features

• 731 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions