## Function Problem : 9th Feb'16

Question Let !!A = R - {3}!! and !!B = R - {1}!! Let !!f: A to B!! be defined by !!f(x) = (x-2)/(x-3)!! !!a)" "!!f is »

Question Let !!A = R - {3}!! and !!B = R - {1}!! Let !!f: A to B!! be defined by !!f(x) = (x-2)/(x-3)!! !!a)" "!!f is »

Question Line joining the points !!(2,-3,1)!! and !!(3,-4,-5)!! intersect the coordinate axes planes at ? !!a)" "(0,-1,13)!! !!b)" "(9,-9,0) »

Question The number of solution of !!10^(2/x) + 25^(1/x) = 65/8(50^(1/x))!! !!a)" "1!! !!b)" "2!! !!c)" "3!! !!d)" "oo!! Solution »

Question !!(log_2 (4y^2 - y - 1))/log_2 (y^2 + 1) > 1!! Then !!y!! lies in the interval !!a)" "(-oo, -2/3)!! !!b) »

Question Parallelogram !!ABCD!! formed by the line !!y = hx!!, !!y = hx + 1!!, !!y = kx!! and !!y = kx + 1!! Then the area of !!ABCD!! ? !!a)" "|h-k|/(h-k) »

Question If sides of triangle are !!17, 25 and 28!!. Then greatest altitude is of length? !!a)" "15!! !!b)" "21!! !!c)" "23!! !!d)" "!!None Solution First »

Question !!sum_(r=0)\^n ((-1)^r)/(nC_r)!! when !!n!! is an odd integer !!a)" "0!! !!b)" "n!! !!c)" "(n(n+1))/2!! !!d)" "!!None »

Question !!x^(log_5 x) > 5!! Then !!x in!! ? !!a)" "(0 , oo)!! !!b)" "(1/5 , oo)!! !!c)" "(1/5 , 5)!! !!d)" "(0 , 1/5) U (5 »

Question If !!Sinalpha!! is a root of !!25x^2 + 5x - 12 = 0!!, !!-1 < x < 0!! Then !!Cos2alpha = ?!! !!a)" "0!! !!b)" "7/25!! !!c) »

Question If !!3^x 5^y = 75!! and !!5^x 3^y = 45!! Then !!3(y-x)!! !!a)" "6!! !!b)" "3!! !!c)" "0!! !!a)" "!!None Solution Given »