સંબંધ અને વિધેય  MCQs

MCQs of સંબંધ અને વિધેય

Showing 81 to 85 out of 85 Questions
6 7 8 9
81.
f : R → R, g : R → R, f(x) = 5x + 1 અને g(x) = 3 - 2x આપેલ વિધેય માટે (f-1og-1)(11) = _____ .
(a) 1
(b) -1
(c) 0
(d) -2
Answer:

Option (b)

82.
f : R → R, f(x) = 3x - 2 અને g : R → R,   g(x) = x2 + 1 આપેલ વિધેય માટે (gof-1)(2) = _____ .
(a) 259
(b) 253
(c) 169
(d) 43
Answer:

Option (a)

83.
જો fx=2x+2-x2  તો f(x + y) + f(x - y) = _____ .
(a) f(x) • f(y)
(b) 3f(x) • f(y)
(c) 2f(x) • f(y)
(d) f(x) + f(y)
Answer:

Option (c)

84.
fx=xx-1, x ≠ 1, તો (fofo ... of 2012 વખત)(x) = _____ .
(a) xx-1
(b) x
(c) xx-12012
(d) 2012xx-1
Answer:

Option (b)

85.
જો fx=x-1x+1, x ≠-1 તો f(2x) = _____ .
(a) fx+1fx+3
(b) 3fx+1fx+3
(c) fx+3fx+1
(d) fx+33fx+1
Answer:

Option (b)

Showing 81 to 85 out of 85 Questions
6 7 8 9