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29 August, 04:48

Find all the zeroes of the equation. 12x 2 - 64 = - x^4

a.) 2, - 2, 4i, - 4i

b.) 2, - 2, 4i, - 4i, 0

c.) 2, 4i

d.) - 2, - 4i

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Answers (1)
  1. 29 August, 04:50
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    The correct option is answer (a) i. e.

    2, - 2, 4i, - 4i

    Thr roots of the given equation:

    12x^2 - 64 = - x^4 can be founf by putting the given values in the equation and seeing if it satisfies the equation or not.

    Example: put 2 in the equation we get, 12*48 - 64 = - 16

    Or - 16 = - 16.

    Since RHS = LHS.

    In similar way, we check all the given roots, if they satisfy the equation or not.
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