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PG TRB Maths Model Question Paper Free Download

TRB Model Questions
1. The locus of centre of curvature of a given curve is called an
 
  • A. asymptote
  • B. evolute
  • C. involute
  • D. envelope
Answer: B.
evolute
 
2. The conic is called a parabola if
 
  • A. e = 1
  • B. e > 1
  • C. e < 1
  • D. None of these
Answer: A.
e = 1
 
 
3. A field can be regarded as a vector space over any _____ of F.
 
  • A. group
  • B. ring
  • C. sub ring
  • D. subfield
Answer: D.
subfield
 
4. If A + B are skew symmetric matrices then A + B is
 
  • A. skew matrix
  • B. symmetric
  • C. unit matrix
  • D. diagonal matrix
Answer: A.
skew matrix