Question

Q.10(a) Let a and B be the roots of x2 - 6x-2=0, with a > B. If a = " -B" for n?! le value of 210 – 2ag is 2a9 (4) (B)2 (C) 3 (D) 4

JEE/Engineering Exams

Maths

Solution

158

4.0 (1 ratings)

a 60- 220 n-673678 = 6 + 44 xiß are roots of x-62-250 ay= a - Bh for nzi Then 9-298 - 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)