Ifa- - b - c -0- a -3- b -4 and - c -5- then the value of 5 a - b -3 b - c -3 c - a -A- 48B- 27C- 75D- -75

The correct option is C 75 a⃗.b⃗=0,b⃗.c⃗= 16,c⃗a⃗= 9 Ans:75 ...

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Commutative Property

Ifa⃗ + b + c ...

Question

If $\to a + \to b + \to c = \to 0, | \to a | = 3, | \to b | = 4 a n d | \to c | = 5,$ then the value of $5 (\to a . \to b) - 3 (\to b, \to c) - 3 (\to c, \to a) =$

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-75

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