If A =4 i +9 j and E =3 i +2 j then find then value of A E
Physics · NEET · NTA Exams — BASIC MATHEMATICS AND VECTOR
If \(\vec{A}=4 \hat{i}+9 \hat{j}\) and \(\overrightarrow{\mathrm{E}}=3 \hat{\mathrm{i}}+2 \hat{\mathrm{j}}\) then find then value of \(\overrightarrow{\mathrm{A}} \cdot \overrightarrow{\mathrm{E}}\)
- \(12 \hat{i}+18 \hat{j}\)
- 20
- 28
- 30
Answer
(D) 30
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