Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 9th
Advertisement Remove all ads

Find the remainder when 3x3 – 4x2 + 7x – 5 is divided by (x + 3) - Mathematics

Sum

Find the remainder when 3x3 – 4x2 + 7x – 5 is divided by (x + 3)

Advertisement Remove all ads

Solution

p(x) = 3x3 – 4x2 + 7x – 5

When it is divided by x + 3,

p(–3) = 3(–3)3 – 4(–3)2 + 7(–3) – 5

= 3(–27) – 4(9) – 21 – 5

= – 81 – 36 – 21 – 5

= –143

The remainder is –143.

  Is there an error in this question or solution?
Advertisement Remove all ads

APPEARS IN

Samacheer Kalvi Mathematics Class 9th Tamil Nadu State Board
Chapter 3 Algebra
Exercise 3.3 | Q 3 | Page 96
Advertisement Remove all ads
Advertisement Remove all ads
Share
Notifications

View all notifications


      Forgot password?
View in app×