No products in the cart.

If p, q are zeroes of …

CBSE, JEE, NEET, CUET

CBSE, JEE, NEET, CUET

Question Bank, Mock Tests, Exam Papers

NCERT Solutions, Sample Papers, Notes, Videos

If p, q are zeroes of polynomial p(x) = 2x2-7x+3, find the value of p2 + q2.
  • 1 answers

Sia ? 6 years ago

According to the question, p and q are the zeroes of polynomial f(x) = 2x2 - 7x + 3, 

f(x) = 2x-7x + 3
Sum of roots = p + q =  Coefficient of x Coefficient of x2
=(72)=72
Product of roots= pq = Constant term  Coefficient of x2=32
Since, (p + q)2 =p2 + q2 + 2pq
So, p2 + q2 = (p + q)2 - 2pq
=(72)23=49431=374
Hence, the value of p2+ q2=374

http://mycbseguide.com/examin8/

Related Questions

sin60° cos 30°+ cos60° sin 30°
  • 2 answers
(A + B )²
  • 1 answers
Prove that root 8 is an irration number
  • 2 answers
Find the nature of quadratic equation x^2 +x -5 =0
  • 0 answers
X-y=5
  • 1 answers
Venu Gopal has twice
  • 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