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| 1. |
यदि `veca=(hati-2hatj), vecb=(2hati-3hatj)` तथा `vecc=(2hati-3hatk)`, तब `(veca+vecb+vecc)` ज्ञात कीजिए। |
| Answer» Correct Answer - `(5hati-5hatj+3hatk)` | |