1.

Which of the following statements is are correct Statement -I : For any vector bara,(bara.bari)bari+(bara.barj)barj+(bara.bark)bark = bara. Statement -II : For any vector bara, (bara.barj)bark+(bara.bark)bari+(bara.bari)barj = bar0

Answer»

only I is TRUE
only II is true
both I and II are true
NEITHER I nor IIis true

Answer :A


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