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- If 𝑎 ⃗ = 𝑖 ^ + 2 𝑗 ^ + 3 𝑘 ^ a = i ^ +2 j ^ +3 k ^ , and 𝑏 ⃗ = 2 𝑖 ^ + 𝑗 ^ + 𝑘 ^ b =2 i ^ + j ^ + k ^ , then 𝑎 ⃗ ⋅ 𝑏 ⃗ a ⋅ b is:
Ajay
300 Points- Mohammad Anas (13750) Points
- Latest Answer: 3 months ago
- In: JEE
If 𝑎 ⃗ = 𝑖 ^ + 2 𝑗 ^ + 3 𝑘 ^ a = i ^ +2 j ^ +3 k ^ , and 𝑏 ⃗ = 2 𝑖 ^ + 𝑗 ^ + 𝑘 ^ b =2 i ^ + j ^ + k ^ , then 𝑎 ⃗ ⋅ 𝑏 ⃗ a ⋅ b is:
a) 3
b) 6
c) 8
d) 7
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