If \theta is the angle between the vectors 2 \overline{i}-\overline{j}+2 \overline{k} and a \overline{i}+4 \overline{j}+b \overline{k} and \cos \theta=\frac{2}{3} then 2(a+b+3)=

TS EAMCET 19-July-2022 Shift 1 Solved Paper

Section: Mathematics

Question : 32 of 160

Marks: +1, -0

If θ is the angle between the vectors 2i−j+2k and ai+4j+bk and cos‌θ=‌

then 2(a+b+3)=

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