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Paragraph: Consider a= ₂ 3, b= ₃ 5 and c= ₅ 7 . Question: ₁₄ 63 equals:

Options

  1. Aa b+c a b c+1
  2. Ba b c+2 a a b c+1
  3. Cb c+2 a b c+1
  4. Dnone of these

Correct answer

B. a b c+2 a a b c+1

Step-by-step solution

(i) ₁₄ 63= ₇ 63 ₇ 14 = 1+ ₇ 9 ₇ 2+1 = 1+ 2 b c 1+ 1 a b c = a b c+2 a a b c+1 (ii) aligned & a b c= ₂ 7 & ₂ 4 < a b c < ₂ 8 & 2 < a b c < 3 aligned

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