WBJEE 2023 Math Solved Paper

© examsiri.com

Question : 32 of 75

Marks: +1, -0

Let α,β be the roots of the equation ax2+bx+c=0,a,b,c real and sn=αn+βn and |

3	1+s1	1+s2
1+s1	1+s2	1+s3
1+s2	1+s3	1+s4

|=k‌

(a+b+c)2

a4

then k=

b2−4ac
b2+4ac
b2+2ac
4ac−b2

Go to Question:

Prev Question

Next Question