(chatquestion)...1- ix 10.91 If 1+ ix = a -- ib and a + b = 1, where a, b eRand i = -1, then x is equal to %3D 2a 26 2a 2b (a) (1+ a)? + b2 (b) (1+ a)? + b² (1+ b)² + a² (d) (1+ b)? + a?

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