Factorisation of Quadratic Polynomials - Factor Theorem
If both x-2 a...
Question
If both x−2 and x−12 are factors of px2+5x+r , then
A
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is A px2+5x+r=0−−−(1) (x−2)(x−12)=0 [since it is factors] x2−x2−2x+1=0 x2−(x+4x2)+1=0 2x2−5x+2=0−−−(2) Comparing equation(1) and equation(2), we get p=r