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13 July, 11:14

Solve.

a + 1 = Vb + 1 for b.

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Answers (1)
  1. 13 July, 12:46
    0
    b = a² + 2a

    Step-by-step explanation:

    a + 1 = √ (b + 1)

    (a + 1) ² = b + 1 (Square both sides)

    a² + 2a + 1 = b + 1 (Expand left side)

    a² + 2a = b (Subtract 1)
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