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
`        (1-w) (1-w^2) (1-w^4) (1-w^8) = ?                  (a) 16 (b) 8 (c) 9 (d) 64`
3 years ago

nitish
36 Points
```							see if u know that w^4=w   (as w^3=1)and w^8=w^2the given expression can be reduced to (1-w)^2*(1-w^2)^2now try expanding this expression you get:1+w- 2w^2+w^2+1-2w-2w+4-2w^2now this can be simplified to 6-3w-3w^2         (as 1+w+w^2=0)6-3(w+w^2)=6+3=9so the final answer is 9.
```
3 years ago
Think You Can Provide A Better Answer ?

## Other Related Questions on Algebra

View all Questions »

### 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

Post Question