1.

Let `veca = a_(1)hati+3hatj+a_(3)hatk` and `vecb = 2hati + b_(2)hatj + hatk`. If `veca = vecb`, find the values of `a_(1),b_(2)` and `a_(3)`.

Answer» `veca = vecb hArr a_(1)hati + 3hatj +a_(3)hatk = 2hati + b_(2)hatj +hatk`
`hArr a_(1) = 2, b_(2) = 3, a_(3) = 1`.


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