Suppose f:\R\to\R defined as f(x) = \\begin{array}{cc}[\cos \pix] & x\leq1\ 2\{x\\end{array} -1, x>1, where [.] and \{.\} denote the greatest integer function and the fractional part of x respectively, then at x=1

Correct Answer is : right derivative is 2

TS EAMCET 6-Aug-2021 Shift 2 Question Paper

Section: Mathematics

Question : 67 of 160

Marks: +1, -0

Suppose f:R→R defined as f(x) = {

[cos‌π‌x]	x≤1
2{x}−1	x>1

, where [.] and {.} denote the greatest integer function and the fractional part of x respectively, then at x=1

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