(a) If the vectors a and b are mutually perpendicular, prove that): ( vec a + vec b )^ 2 =( vec a - vec b )^ 2

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01-11-2022
Mathematics

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(a) If the vectors a and b are mutually perpendicular, prove that): ( vec a + vec b )^ 2 =( vec a - vec b )^ 2

Sagot :

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