CBSE Class 9CBSE
Share
Notifications

View all notifications
Books Shortlist
Your shortlist is empty

If `F(X)=2x^2-13x^2+17x+12` Find `F-(3)` - CBSE Class 9 - Mathematics

Login
Create free account


      Forgot password?

Question

If `f(x)=2x^2-13x^2+17x+12` find `f-(3)`

Solution

We have

`f(x)=2x^2-13x^2+17x+12`

`f(-3)=2xx(-3)^3-13xx(-3)^2+xx(-3)+12`

`=2xx(-27)-13xx(9)+17xx(-13)+12`

`=-54-117-51+12=210`

  Is there an error in this question or solution?

APPEARS IN

 RD Sharma Solution for Mathematics for Class 9 by R D Sharma (2018-19 Session) (2018 to Current)
Chapter 6: Factorisation of Polynomials
Ex.6.20 | Q: 1.2 | Page no. 8
Solution If `F(X)=2x^2-13x^2+17x+12` Find `F-(3)` Concept: Factorisation of Polynomials.
S
View in app×