MCQ 511 MarkIf $\sqrt{2}=1.4142$, then $\sqrt{\frac{\sqrt{2}-1}{\sqrt{2}+1}}$ is equal toA0.1718B5.8282✓0.4142D2.4142AnswerCorrect option: C. 0.4142cView full question & answer→
MCQ 521 MarkThe value of $\sqrt{5+2 \sqrt{6}}$, isA$\sqrt{3}-\sqrt{2}$✓$\sqrt{3}+\sqrt{2}$C$\sqrt{5}+\sqrt{6}$DNone of theseAnswerCorrect option: B. $\sqrt{3}+\sqrt{2}$bView full question & answer→
MCQ 531 MarkThe value of $\sqrt{3-2 \sqrt{2}}$, is✓$\sqrt{2}-1$B$\sqrt{2}+1$C$\sqrt{3}-\sqrt{2}$D$\sqrt{3}+\sqrt{2}$AnswerCorrect option: A. $\sqrt{2}-1$aView full question & answer→
MCQ 541 MarkIf $x=\sqrt[3]{2+\sqrt{3}}$, then $x^3+\frac{1}{x^3}=$A2✓4C8D9AnswerCorrect option: B. 4bView full question & answer→
MCQ 551 MarkIf $\frac{5-\sqrt{3}}{2+\sqrt{3}}=x+y \sqrt{3}$, then✓$x=13, y=-7$B$x=-13, y=7$C$x=-13, y=-7$D$x=13, y=7$AnswerCorrect option: A. $x=13, y=-7$aView full question & answer→
MCQ 561 Mark$\frac{1}{\sqrt{9}-\sqrt{8}}$ is equal to✓$3+2 \sqrt{2}$B$\frac{1}{3+2 \sqrt{2}}$C$3-2 \sqrt{2}$D$\frac{3}{2}-\sqrt{2}$AnswerCorrect option: A. $3+2 \sqrt{2}$aView full question & answer→
MCQ 571 MarkIf $x=\frac{\sqrt{3}-\sqrt{2}}{\sqrt{3}+\sqrt{2}}$ and $y=\frac{\sqrt{3}+\sqrt{2}}{\sqrt{3}-\sqrt{2}}$, then $x^2+x y+y^2=$A101✓99C98D102AnswerCorrect option: B. 99bView full question & answer→
MCQ 581 MarkIf $x=\frac{\sqrt{5}+\sqrt{3}}{\sqrt{5}-\sqrt{3}}$ and $y=\frac{\sqrt{5}-\sqrt{3}}{\sqrt{5}+\sqrt{3}}$, then $x+y+x y=$✓9B5C17D7AnswerCorrect option: A. 9aView full question & answer→
MCQ 591 MarkIf $x+\sqrt{15}=4$, then $x+\frac{1}{x}=$A2B4✓8D1AnswerCorrect option: C. 8cView full question & answer→
MCQ 601 MarkIf $x=7+4 \sqrt{3}$ and $x y=1$, then $\frac{1}{x^2}+\frac{1}{y^2}=$A64B134✓194D$1 / 49$AnswerCorrect option: C. 194cView full question & answer→
MCQ 611 MarkIf $x=\frac{2}{3+\sqrt{7}}$, then $(x-3)^2=$A1B3C6✓7AnswerCorrect option: D. 7dView full question & answer→
MCQ 621 MarkThe simplest rationalising factor of $2 \sqrt{5}-\sqrt{3}$, isA$2 \sqrt{5}+3$✓$2 \sqrt{5}+\sqrt{3}$C$\sqrt{5}+\sqrt{3}$D$\sqrt{5}-\sqrt{3}$AnswerCorrect option: B. $2 \sqrt{5}+\sqrt{3}$bView full question & answer→
MCQ 631 MarkThe simplest rationalising factor of $\sqrt{3}+\sqrt{5}$, isA$\sqrt{3}-5$B$3-\sqrt{5}$✓$\sqrt{3}-\sqrt{5}$D$\sqrt{3}+\sqrt{5}$AnswerCorrect option: C. $\sqrt{3}-\sqrt{5}$cView full question & answer→
MCQ 641 MarkIf $\frac{\sqrt{3}-1}{\sqrt{3}+1}=a-b \sqrt{3}$, then✓a = 2, b = 1Ba = 2, b = - 1Ca = - 2, b = 1Da = b = 1AnswerCorrect option: A. a = 2, b = 1aView full question & answer→
MCQ 651 MarkIf $x=\sqrt{5}+2$, then $x-\frac{1}{x}$ equalsA$2 \sqrt{5}$✓4C2D$\sqrt{5}$AnswerCorrect option: B. 4bView full question & answer→
MCQ 661 MarkThe rationalisation factor of $2+\sqrt{3}$, is✓$2-\sqrt{3}$B$\sqrt{2}+3$C$\sqrt{2}-3$D$\sqrt{3}-2$AnswerCorrect option: A. $2-\sqrt{3}$aView full question & answer→
MCQ 671 MarkThe rationalisation factor of $\sqrt{3}$, isA$-\sqrt{3}$B$\frac{1}{\sqrt{3}}$C$2 \sqrt{3}$✓all of theseAnswerCorrect option: D. all of thesedView full question & answer→
MCQ 681 Mark$\sqrt[5]{6} \times \sqrt[5]{6}$ is equal to✓$\sqrt[5]{36}$B$\sqrt[5]{6 \times 0}$C$\sqrt[5]{6}$D$\sqrt[5]{12}$AnswerCorrect option: A. $\sqrt[5]{36}$aView full question & answer→
MCQ 691 Mark$\sqrt{10} \times \sqrt{15}$ is equal to✓$5 \sqrt{6}$B$6 \sqrt{5}$C$\sqrt{30}$D$\sqrt{25}$AnswerCorrect option: A. $5 \sqrt{6}$aView full question & answer→