Mathematics

(xa)(b - c) (xb)(c - a)(xc)(a - b) =

  1. 0

  2. 1

  3. 2

  4. 3

Indices

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Answer

Given,

⇒ (xa)(b - c)(xb)(c - a)(xc)(a - b)

⇒ x(ab - ac)x(bc - ba)x(ca - cb)

⇒ x(ab - ac) + (bc - ba) + (ca - cb)

⇒ x(ab - ac + bc - ba + ca - cb)

⇒ x(ab - ab + bc -bc - ac + ac)

⇒ x0

⇒ 1.

Hence, option 2 is the correct option.

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