(a i)(ax i)+(a j)(ax j) +(a k)(ax k) is equal to - Maths - Application of Derivatives

Question

(a i)(ax i)+(a j)(ax j) +(a k)(ax k) is equal to

Lovina Kansal · Accepted Answer

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Correct question can be
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(a.i)(ax i)+(a.j)(ax j) +(a.k)(ax k) is equal to