If r =4 i +3 j +8 k then find f ⋅ f .
Physics · NEET · NTA Exams — BASIC MATHEMATICS AND VECTOR
If \(\vec{r}=4 \hat{i}+3 \hat{j}+8 \hat{k}\) then find \(\text { f ⋅ } \text { f }\).
- 78
- 79
- 89
- 98
Answer
(C) 89
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