CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Factor Theorem

If x+5 is a f...

Question

If (x+5) is a factor of p $(x) = x^{3} - 20 x + 5$ k then k=?
(a) -5 (b) 5 (c) 3 (d)-3

Open in App

Solution

Put x=-5 in p(x)
$- 5^{3} - 20 (- 5) + 5 k = 0$
$5 k = 25$
$k = 5$

Suggest Corrections

thumbs-up

37

Similar questions

x - 5

x^{3} - 2 k x^{2} + k x + 3 k + 1

, then find the value of k.

Q. If x² + x + 1 is a factor of the polynomial 3x³ + 8x²+ 8x + 3 + 5k, then the value of k is

(a) 0

(b) 2/5

(c) 5/2

(d) −1

l o g_{k} A . l o g_{5} k = 3

l o g_{k} A . l o g_{5} k = 3

l o g_{k} A . l o g_{5} k = 3

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Remainder Theorem

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Standard IX Mathematics

Join BYJU'S Learning Program

CrossIcon