Question

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Given a² + b2 = 1, simplify
_________
√9 (1 – a²) b²

Simplify the radical expression

Answer 1

Rearranging the first equation we get that b^2 = 1-a^2

Substituting this is to the second equation we get

Root 9(b^2)(b^2) or
Root 9(b^2)^2

this simplifies to 3b^2