1.

ही. के ने सनक — =+ (2i-27+4K)-(3i +4 j-5K

Answer»

The given is dot product

(2i - 2j + 4k) . ( 3i + 4j - 5k)

(2×3) + (-2) × (4) + (4) × (-5)

6 - 8 - 20

6 - 28

-22



Discussion

No Comment Found