If tn denotes..

Submitted by shivanibusiness on Wed, 2008-05-28 09:27

1) If t_n denotes the nth term of the series 2+3+6+11+18+...then t50 is
a) 49²-1 b) 49² c) 50²+1 d) 49²+2

2) If a^x=b^y=c^z;x,y,z are in GP then logcb is equal to
a) log_ba b) log_ab c)z/y d)None of these

3) If f (x)=3x2+9 ang g (x)=4x2+2x+9 for x in between 0 and 10.Minimum value of f[g(x)].
a) 9 b) 252 c) 0 d) 81 e) None of these

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Posted on: Wed, 2008-05-28 15:07 #1

Joined: 2008-05-21

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1) If tn denotes the nth term of the series 2+3+6+11+18+...then

1) If t_n denotes the nth term of the series 2+3+6+11+18+...then t50 is
The series is 2,3,6,11,18....

It can be expressed as 2, 2+1²,2+2², 2+3²....
Hence the answer is d) 2+49².....

Kamlesh...

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