If a vector vecre satisfies the equation...

If a vector `vecr`e satisfies the equation `vecrxx(hati+2hatj+hatk)=hati-hatk then vecr`e is equal to (A) `hati+3hatj+hatk` (B) `3hati+7hatj+3hatk` (C) `hati+(t+3)hati+hatk),` where t is any scalar (D) `hatj+t(hati+2hatj+hatk)` where t is any scalar.

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