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Two vectors are given by; A ⃗=(2i ̂+3j ̂+4k ̂)units B ⃗=(4i ̂+6j ̂+8k ̂)units If...

Two vectors are given by; A ⃗=(2i ̂+3j ̂+4k ̂)units B ⃗=(4i ̂+6j ̂+8k ̂)units If it is known that ;

a.A ⃗+B ⃗+2C ⃗=0, Find C ⃗.

b. Find (A ⃗+2C ⃗).2B ⃗.

c.Find (A ⃗×B ⃗)

d.Find (A ⃗+B ⃗+2C ⃗)×(2A ⃗+B ⃗)

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