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Ayushi posted an Question
August 13, 2020 • 18:06 pm 30 points
  • UGC NET
  • Economics

76. if a = (1, 2, 3), b (, y), then the number of functions that can be defined from a into b is f a = (1, 2, 3), b = (x, y), a a Àb aÍ urtta v b (1) 12 (2) 8 (

76. If A = (1, 2, 3), B (, Y), then the number of functions that can be defined from A into B is f A = (1, 2, 3), B = (X, Y), a A ÀB AÍ uRTta v B (1) 12 (2) 8 (3) 6 (4) 3 2X+2X 77. If f (X) = then f (X + Y)-f(X-Y) is equal to 2 af(X)= f(X+Y):f (X -Y) aT 2 (1)s(2x) +f(2Y)] (2) 4If (2X) -f (2Y)] (3)1S (2X)+ f (2Y)) (4) 4f (2x)-f (2Y)) 10+ X 200X 78. If elA= 10-X Xe(-10, 10) and f(X)=k-f k:f200X 100+X2 then k= eSlX)-10+ X zfX 10t Xe(-10, 10) q7 S(X) = k f| T k H R 200X 10-X 100+x2J (2) 0-6 (3) 07 4) 08 (1) 0-5

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  • Ashish sharma best-answer

    I hope these links will help you in understanding the Ques

  • Ashish sharma Best Answer

    answer 76 https://doubtnut.com/question/8-if-a-123-b-xy-then-the-number-of-function-that-can-be-defined-from-into-b-is-16574700

  • Ashish sharma

    answer -77 https://amp.doubtnut.com/question-answer/if-fx2x-2-x-2-then-fx-yfx-y-is-equals-to-1-2f2x-f2y-b-1-2f2x-f2y-c-1-4f2x-f2y-1-4f2x-ab

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