NDA
Government Jobs Exams
If y = sin (ax + b), then what is d^2y/dx^2 at x = –b/a, where a, b are constants and a ≠ 0 ?
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NDA Other Question
What is
lim (sin x- tan x)/x
equal to
What is the range of the function
x
f (x) = | x | , x ≠ 0