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AP EAMCET202123 Aug 2021Morning ShiftMathematicsTrigonometric Ratios & IdentitiesActual

If (5 x+ 4 )=0 , then x is equal to

Options

  1. A- 20 + 2 n(n z)
  2. B20 + 5 n(n z)
  3. C- 5 + 5 n(n z)
  4. D- 20 + 5 n(n z)

Correct answer

D. - 20 + 5 n(n z)

Step-by-step solution

(5 x+ 4 )=0= n ( n =0) where n Z array rlrl & & 5 x+ 4 & =n & x & = 1 5 (n - 4 )= n 5 - 20 array

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