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AP EAMCET201725 Apr 2017Morning ShiftMathematicsDeterminantsActual

If | array lll a & a^3 & a^4 b & b^3 & b^4 c & c^3 & c^4 array |=k(a-b)(b-c)(c-a) then k =

Options

  1. Aa b c(a b+b c+c a)
  2. B4(a b+b c+c a)(a b c)
  3. Ca b c
  4. Da b+b c+c a

Correct answer

A. a b c(a b+b c+c a)

Step-by-step solution

No solution. Refer to answer key.

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