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:
        Question number 3.Find the value of x3+7x2-x+16, where  x= 1+2i
9 months ago

Answers : (1)

Arun
13867 Points
							
Dear Swati
 
x = 1 +2i
hence
x – 1 = 2i
squaring the both sides
 
x^2 + 1 – 2x = – 4
hence
x^2 – 2x + 5 = 0
 
now 
divide the given polynomial by ( x^2 – 2x + 5 ) , remainder will be the answer.
 
Regards
Arun (askIITians forum expert)
9 months ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies

Get Extra Rs. 1,590 off

COUPON CODE: SELF10


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


Get Extra Rs. 233 off

COUPON CODE: SELF10

Ask Experts

Have any Question? Ask Experts

Post Question

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