Magnitude of vector which comes on addition of two vectors, 6^i+7^j and 3^i+4^j is
√136
√13.2
√202
√160
→R=→A+→B=6^i+7^j+3^i+4^j=9^i+11^j∴|→R|=√92+112=√81+121=√202
Vectors A and B are 6^i−7^j+6^k and 3^i+4^j+6^k respectively. Their vector difference in unit vector notation will be