Find the intervals in which the function f given by `f(x)=x^2-4x+6` is (a) strictly increasing (...

Question From - NCERT Maths Class 12 Chapter 6 SOLVED EXAMPLES Question - 10 APPLICATION OF DERIVATIVES CBSE, RBSE, UP, MP, BIHAR BOARD
QUESTION TEXT:-
Find the intervals in which the function f given by `f(x)=x^2-4x+6` is (a) strictly increasing (b) strictly decreasing
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