Question
Q.10(a) Let a and B be the roots of x2  6x2=0, with a > B. If a = " B" for n?! le value of 210 – 2ag is 2a9 (4) (B)2 (C) 3 (D) 4
Solution
a 60
220
n673678
= 6 + 44
xiß are roots of x62250
ay= a  Bh for nzi
Then 9298

Calciom po 2 [at]
21 22 p
2[6289]
since
ex
& IB are
wots of
² 6n+ 2
64+2 20
2 2=6& similarly $_2= 6B
xx64  B&B [49_B7]
29_89 228)