If α and β are the roots of the equation, 7x2-3x-2=0, then the value of α1−α2+β1−β2 is equal to:
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
2716
b
38
c
124
d
2732
answer is A.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
Given α and β are the roots of the equation, 7x2-3x-2=0 , hence α+β=37,αβ=-27Consider α2+β2=α+β2-2αβ=949+47==3749 And the required expression is α1−α2+β1−β2=α+β−αβα+β1−α2+β2+αβ2=37+6491−3749+449=2716