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Number systems — Maths STD 9 — Question

Gujarat BoardEnglish MediumSTD 9MathsNumber systems1 Mark
MCQ
The value of xp-q.xq-r⋅xr-p is equal to:
  • A
    0
  • B
    1
  • C
    x
  • D
    xpqr
✓

Answer

  1. 1
    Solution:
    xp-q.xq-r⋅xr-p
    = xp-q+q-r+r-p
    = x0
    = 1
    Hence, the correct option is (b).

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