Question

Find d(A. B), if the coordinates of A and B are – 2 and 5 respectively. A.5 3.7 C.3 D. - 2 ​

Answer 1

Step-by-step explanation:

d(ad) = d(2-5)= -3 this is correct answer.

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Answer 2

Prove that both the roots of the equation (x – a)(x – b)+(x – b)(x – c) + (x –c)(x – a) = 0Prove that both the roots of the equation (x – a)(x – b)+(x – b)(x – c) + (x –c)(x – a) = 0Prove that both the roots of the equation (x – a)(x – b)+(x – b)(x – c) + (x –c)(x – a) = 0