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MATH / Vectors a and b satisfy ‖a‖=3 and ‖b‖=8. Also, the angle between vectors a and b is 135^(∘). Find ‖2a+b‖². · Discussion

Discussing Vectors a and b satisfy ‖a‖=3 and ‖b‖=8. Also, the angle between vectors a and b is 135^(∘). Find ‖2a+b‖². · MATH

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