Q.
Let p,q be integers and let α,β be the roots of the equation, x2−x−1=0, where α≠β .For n=0,1,2,… , let an=pαn+qβn . FACT: If a and b are rational numbers and a+b5=0, then a=0=b If a4=28, then p+2q=a12=
see full answer
Start JEE / NEET / Foundation preparation at rupees 99/day !!
21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya
a
12
b
21
c
14
d
7
e
a11+2a10
f
a11+a10
g
a11−a10
h
2a11+a10
answer is