If m is the slope of tangent and m' is the slope of normal then mxm' A

1.	If m is the slope of tangent and m' is the slope of normal then mxm' A) o B) -1
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If m is the slope of tangent and m' is the slope of normal then mxm' A) o B) -1

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Answer:

८२७_८३७३७३८३६२९२७२९१९२३७३९२९२६३७