01Medium94×since 2002Q2847The area bounded by the curves y=∣x2−1∣y=\left|x^{2}-1\right|y=x2−1 and y=1y=1y=1 isA23(2+1)\frac{2}{3}(\sqrt{2}+1)32(2+1)B43(2−1)\frac{4}{3}(\sqrt{2}-1)34(2−1)C2(2−1)2(\sqrt{2}-1)2(2−1)D83(2−1)\frac{8}{3}(\sqrt{2}-1)38(2−1)Check answerSkip
02Medium94×since 2002Q2848The area of the smaller region enclosed by the curves y2=8x+4y^{2}=8 x+4y2=8x+4 and x2+y2+43x−4=0x^{2}+y^{2}+4 \sqrt{3} x-4=0x2+y2+43x−4=0 is equal toA13(2−123+8π)\frac{1}{3}(2-12 \sqrt{3}+8 \pi)31(2−123+8π)B13(2−123+6π)\frac{1}{3}(2-12 \sqrt{3}+6 \pi)31(2−123+6π)C13(4−123+8π)\frac{1}{3}(4-12 \sqrt{3}+8 \pi)31(4−123+8π)D13(4−123+6π)\frac{1}{3}(4-12 \sqrt{3}+6 \pi)31(4−123+6π)Check answerSkip
03Medium94×since 2002Q2849The area of the region enclosed by y≤4x2,x2≤9yy \leq 4 x^{2}, x^{2} \leq 9 yy≤4x2,x2≤9y and y≤4y \leq 4y≤4, is equal to :A403\frac{40}{3}340B563\frac{56}{3}356C1123\frac{112}{3}3112D803\frac{80}{3}380Check answerSkip
04Medium94×since 2002Q2860The area of the region enclosed by the curve f(x)=max{sinx,cosx},−π≤x≤πf(x)=\max \{\sin x, \cos x\},-\pi \leq x \leq \pif(x)=max{sinx,cosx},−π≤x≤π and the xxx-axis isA22(2+1)2 \sqrt{2}(\sqrt{2}+1)22(2+1)B4C2(2+1)2(\sqrt{2}+1)2(2+1)D4(2)4(\sqrt{2})4(2)Check answerSkip
05Hard94×since 2002Q2850The area enclosed by the curves y=loge(x+e2),x=loge(2y)y=\log _{e}\left(x+\mathrm{e}^{2}\right), x=\log _{e}\left(\frac{2}{y}\right)y=loge(x+e2),x=loge(y2) and x=loge2x=\log _{\mathrm{e}} 2x=loge2, above the line y=1y=1y=1 is:A2+e−loge22+\mathrm{e}-\log _{\mathrm{e}} 22+e−loge2B1+e−loge21+e-\log _{e} 21+e−loge2Ce−loge2e-\log _{e} 2e−loge2D1+loge21+\log _{e} 21+loge2Check answerSkip
06Medium94×since 2002Q2851The area of the region {(x,y):∣x−1∣≤y≤5−x2}\left\{(x, y):|x-1| \leq y \leq \sqrt{5-x^{2}}\right\}{(x,y):∣x−1∣≤y≤5−x2} is equal to :A52sin−1(35)−12\frac{5}{2} \sin ^{-1}\left(\frac{3}{5}\right)-\frac{1}{2}25sin−1(53)−21B5π4−32\frac{5 \pi}{4}-\frac{3}{2}45π−23C3π4+32\frac{3 \pi}{4}+\frac{3}{2}43π+23D5π4−12\frac{5 \pi}{4}-\frac{1}{2}45π−21Check answerSkip
07Medium94×since 2002Q2852The area of the region given by {(x,y):xy≤8,1≤y≤x2}\{ (x,y):xy \le 8,1 \le y \le {x^2}\}{(x,y):xy≤8,1≤y≤x2} is :A16loge2−14316{\log _e}2 - {{14} \over 3}16loge2−314B8loge2−1338{\log _e}2 - {{13} \over 3}8loge2−313C16loge2+7316{\log _e}2 + {7 \over 3}16loge2+37D8loge2+768{\log _e}2 + {7 \over 6}8loge2+67Check answerSkip
08Medium94×since 2002Q2853Let qqq be the maximum integral value of ppp in [0,10][0,10][0,10] for which the roots of the equation x2−px+54p=0x^2-p x+\frac{5}{4} p=0x2−px+45p=0 are rational. Then the area of the region {(x,y):0≤y≤(x−q)2,0≤x≤q}\left\{(x, y): 0 \leq y \leq(x-q)^2, 0 \leq x \leq q\right\}{(x,y):0≤y≤(x−q)2,0≤x≤q} is :A1253\frac{125}{3}3125B243C164D25Check answerSkip
09Hard94×since 2002Q2865The area enclosed by the curves xy+4y=16x y+4 y=16xy+4y=16 and x+y=6x+y=6x+y=6 is equal to :A28−30loge228-30 \log _{\mathrm{e}} 228−30loge2B30−28loge230-28 \log _{\mathrm{e}} 230−28loge2C30−32loge230-32 \log _{\mathrm{e}} 230−32loge2D32−30loge232-30 \log _{\mathrm{e}} 232−30loge2Check answerSkip
10Medium94×since 2002Q2854The area of the region A={(x,y):∣cosx−sinx∣≤y≤sinx,0≤x≤π2}A = \left\{ {(x,y):\left| {\cos x - \sin x} \right| \le y \le \sin x,0 \le x \le {\pi \over 2}} \right\}A={(x,y):∣cosx−sinx∣≤y≤sinx,0≤x≤2π} isA5+22−4.5\sqrt 5 + 2\sqrt 2 - 4.55+22−4.5B1−32+451 - {3 \over {\sqrt 2 }} + {4 \over {\sqrt 5 }}1−23+54C5−22+1\sqrt 5 - 2\sqrt 2 + 15−22+1D35−32+1{3 \over {\sqrt 5 }} - {3 \over {\sqrt 2 }} + 153−23+1Check answerSkip