THE ANSWER TO 80 IS
PUT N=2 [3][3][3]
THEN WE GETA
DESI JUGARH
79 MEIN VALUE DAAL KE CHECK KAR LE
MERA D AA RAHA HAI !!!!!!!!!!!
AB INN MEIN KONSE KOOAN KHODNE HAIN[3][3][3]
79) D (substitute kar ke dekh lo)
a) 9 < 4 : X
b) 27 < 16 : X
c) 81 < 64 : X
d) 243 < 256 : √
80)
Put n=0
1 ≤ .........
a) 1
b) 1/√2
c) 1/2
d) 1/√5
Put n=1
2/4 =1/2 ≤ ..............
a) 1/2
b) 1/√5
c) 1/√7
d) 1/(2√2)
Only A satisfies in both cases.
Hence ans : A