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
Menu
Grade: 12th pass
        If xy+x+y =250, xz+x+z =300, yz+y+z =216, the find the value of x+y+z =?
2 years ago

Answers : (1)

Arun
23751 Points
							
x+y+xy+1=251
(x+1)(y+1)=251
xz+x+z+1=301
(x+1)(z+1)=301
in same way
(y+1)(z+1)=217
now multiply all three
(x+1)(y+1)(z+1)))^2 =251 * 301 * 217
so (x+1)(y+1)(z+1)=sqrt(251) * sqrt(301) * sqrt(217)
now you have (x+1)(y+1) , you have (y+1)(z+1) , you have (x+1)(z+1) , you can find x,y,z & sum
2 years ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies


Course Features

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


Course Features

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


Ask Experts

Have any Question? Ask Experts

Post Question

 
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!! Click Here for details