If the roots of equation a(b-c)x^(2)+...

If the roots of equation
`a(b-c)x^(2)+b(c-a)x+c(a-b)=0` be equal prove that a,b,c are in HP.

A

Both A, R are true and R explain Assertion

B

Both A, R are true but R does't explain A

C

A is true R is false

D

A is false R is true

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The correct Answer is:

C

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