Question 11 MarkWrite the value of $\left(\frac{1}{2}\right)^3+\left(\frac{1}{3}\right)^3-\left(\frac{5}{6}\right)^3$.Answer$-\frac{5}{12}$View full question & answer→
Question 51 MarkIf $a+b+c=9$ and $a b+b c+c a=40$, find $a^2+b^2+c^2$,Answer1View full question & answer→
Question 61 MarkIf $a+b+c=0$, then write the value of $a^3+b^3+c^3$.Answer3abcView full question & answer→
Question 71 MarkIf $a^2+b^2+c^2=250$ and $a b+b c+c a=3$, find $a+b+c$.Answer$\pm 16$View full question & answer→
Question 81 MarkIf $a^2+b^2+c^2=20$ and $a+b+c=0$, find $a b+b c+c a$.Answer-10View full question & answer→
Question 91 MarkFactorize: $x^4+x^2+25$.Answer$\left(x^2+3 x+5\right)\left(x^2-3 x+5\right)$View full question & answer→