You forgot your unlock pattern or password?
Either use Google's method of recovering your password, or search online for correct Factory Data Reset instructions.
I do tech support on Samsung tablets, the Tab 2 10.1 is reset by holding the power button + volume down, then releasing the power button (while still holding vol) when you see the Samsung logo. Tab 2 7.0 is reset by holding power button + volume up simultaneously until the logo appears.
No description in the OP, account was created today... Hmm perhaps a stolen tablet? You should've made it more believable.
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