plz solve d que. below.

lt f(1-cos3x/x2) as x tends to 0,where f(x) is a continous function satisfying d condition f(4.5)=2/9 .?......

Dear abhishek

1-cos3x = 2sin²(3x/2)

x-> sinx =x

so 1-cos3x = 2sin²(3x/2) = 9x²/2

f(1-co3x/x²) = f(9/2) =2/9

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