Question
If n = 6 + √13, then find the value of (n +
1/n)².Solution
'n' = 6 + √13
So,
1/n = 1 / (6 + √13) × (6 - √13)/(6 - √13)
= (6 - √13) / (36 - 13)
= 6 - √13
Required value = (6 + √13 + 6 - √13)² = (12)² = 144
Statement:
All arts are physics
All accounts are physics
Conclusion:
I. Some physics are arts.
II. Some account...
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at varianc...
Conclusions:
I. No Lid being Utensil is a possibility.
II. Some Spoons are not Plates.
III. Some Spoons are Cups.
Statements:
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. Statement:
Few burger are not maggi.
All maggi are Pizza.
Only a few Pizza are dosa.        Â
Conclusio...
Statement: All calculators are buttons.
      All buttons are ovals.
Conclusions: I. Some calculators are ovals.
  �...
Statements:
Some authors are teachers.
All teachers are poets.
Some poets are artists.
Conclusions:
I. Some auth...
Statements:Some Pulsar are not bajaj.
All bajajs are Hero.
Conclusions:I. Some bajaj are not Pulsar.
II. Some Heros are not bajaj...
Statement:
All Mathematics are Economics
Only a few Mathematics are Chemistry
No Chemistry is Physics
Conclusion:
I. ...
- Statements:
Some machine are tool.
All tool are screw.
No screw is nut.
Some machine are ladder.
Conclusions:
<...
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