- If x= cos t, y= sin t, then what is^
(^)
equal to?
(a) (b) (c) - (d) -
- What is the derivative of f(x)= x| |?
(a) | |+x (b) 2x (c) 2| | (d) - 2 | | - If y= x + , then what is^
(^)
equal
to?
(a) (b) -
( )^ (c) -^
( )^ (d) -^
( )^
- If y= ( ⁄^ ) ( ⁄^ )
( ⁄^ ), then what is^ equal to?
(a) 1 (b) – 1 (c) x (d) ⁄^
- If y= log √ , then what is the
value of^ at x=^?
(a) 0 (b) – 1 (c)^ (d) 1
- What is the derivative of x with
respect to x?
(a) x (b) x (c) – 1 (d) 1 - If x= k(Ѳ + sin Ѳ) and y= k(1 + cos
Ѳ), then what is the derivative of y with
respect to x at Ѳ= ⁄?
(a) – 1 (b) 0 (c) 1 (d) 2 - If √ + √ = 2, then what is^ at y=
1 equal to?
(a) 5 (b) 4 (c) 2 (d) - 1
- If x= cos 2t and y= t, then what
is^
(^)
equal to?^
(a) 0 (b) sin (2t) (c) – cos (2t) (d) -
25. If y= (^). /, then what is^
equal to?
(a) (b) - (c) (d)
- If x= , y= , then what is^
(^)
equal
to?
(a) 1 (b) (c) (d)^
- What is the differentiation of x
with respect to log x?
(a) 0 (b) 1 (c)^ (d) x - If + xy= e, then what is the value
of^
(^)
at x= 0?^
(a) (b) (c) e (d) 1
- If √ + √ = a, then what
is^ equal to?
(a) √( )( ) (b) √^
(c)
√^
(d) None of these
- If x= log t and y= - 1, then what is
at t=1 equal to?^
(a) 2 (b) 3 (c) – 4 (d) 4
- If f(x)= and g(x)= log x, then what
is the value of (gof)’ (x)?
(a) 0 (b) 1 (c) e (d) None of these - If f(x)= tan x + , then
what is the value of f ‘ (0)?
(a) – 2 (b) – 1 (c) 0 (d) 3