No products in the cart.

(X+a) is a factor of the …

CBSE, JEE, NEET, CUET

CBSE, JEE, NEET, CUET

Question Bank, Mock Tests, Exam Papers

NCERT Solutions, Sample Papers, Notes, Videos

(X+a) is a factor of the 2x2+2ax+5x+10 Find out the value of a
  • 2 answers

Charan Singh 5 years, 2 months ago

How

Gaurav Seth 5 years, 2 months ago

X+a is a factor of 2x²+2ax+5x+10
therefore f(-a)=0;
substituting values,
2(-a)²+2(a)(-a)+5(-a)+10=0
2a²-2a²-5a+10=0
-5a+10=0
therefore a=2

http://mycbseguide.com/examin8/

Related Questions

7+7+√7
  • 0 answers
Which I TEAM ARE YOU SUPPORTING
  • 2 answers
Sin (90-Q)=
  • 3 answers
3.11stques
  • 0 answers
Prove √2-5as irrational
  • 0 answers

myCBSEguide App

myCBSEguide

Trusted by 1 Crore+ Students

Test Generator

Test Generator

Create papers online. It's FREE.

CUET Mock Tests

CUET Mock Tests

75,000+ questions to practice only on myCBSEguide app

Download myCBSEguide App