MCQ
ઉગમ બિંદુથી $\overrightarrow{r}=4\hat{i}+2\hat{j}+4\hat{k}+\lambda(3\hat{i}+4\hat{j}-5\hat{k})$ પરનાં લંબની લંબાઈ $........ $ છે.
- ✓$6$
- B$7$
- C$8$
- D$9$
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(S2) : $\lim _{ n \rightarrow \infty} \frac{1}{ n ^{16}}\left(1^{15}+2^{15}+3^{15}+\ldots \ldots \ldots .+ n ^{15}\right)=\frac{1}{16}$ માથી: