If f(x) = {{:(A+Bx^(2)",",x lt 1),(3Ax -...

If `f(x) = {{:(A+Bx^(2)",",x lt 1),(3Ax - B+2",",x ge 1):}`, then A and B, so that f(x) is differentiabl at x = 1, are

`-2, 3`

`2, -3`

2, 3

`-2, -3`

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