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Grade 12Trigonometry

help please soon......................................................................................................................................

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Profile image of milind
10 Years agoGrade 12
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1 Answer

Profile image of PASUPULETI   GURU MAHESH
10 Years ago
THE ANSWER IS m=2.
GIVEN FUNCTION IS DIFFERENTIABLE  AT X=1.
IF AFUNCTION IS DIFFERENTIABLE  AT APOINT THEN  THE  FUNCTION ALSO IS CONTINOUS AT POINT
 
BY USING CONTINUTY LEFT HAND LIMIT= RIGHT HAND LIMIT
LEFT HAND LIMIT
LIMIT X TENDS TO 1 F(X)= mx2
           LEFT HAND LIMIT     =m
RIGHT HAND LIMIT
LIMIT X TENDS TO 1 F(X)=2X THEN THAT  VALUE IS 2
RIGHT HAND LIMIT=2
 
FROM RIGHT HAND LIMIT AND RIGHT HAND LIMIT m=2