Search found 38 matches
- Thu Jan 20, 2011 3:31 pm
- Forum: Algebra
- Topic: Calculate value of expression.
- Replies: 1
- Views: 2176
Calculate value of expression.
If $a+b+c=0$.then find value of expression $\left(\frac{a}{b-c}+\frac{b}{c-a}+\frac{c}{a-b}\right).\left(\frac{b-c}{a}+\frac{c-a}{b}+\frac{a-b}{c}\right)=$
- Thu Jan 20, 2011 3:17 pm
- Forum: Algebra
- Topic: solving Modulus equation.
- Replies: 0
- Views: 2616
solving Modulus equation.
find value of $x$ that satisfy the equation $|x^{2011}-x^{2010}|+x^{2008}-2008=0$
- Thu Jan 20, 2011 3:12 pm
- Forum: Algebra
- Topic: quadratic equation with floor function.
- Replies: 5
- Views: 4998
quadratic equation with floor function.
Find all Real solution that satisfy the quadratic equation $6x^2+77\lfloor x \rfloor +147=0$
Where $\lfloor x \rfloor =$ Floor function.
like $\lfloor 2.3 \rfloor =2$ OR $\lfloor -2.3 \rfloor =-3$
Where $\lfloor x \rfloor =$ Floor function.
like $\lfloor 2.3 \rfloor =2$ OR $\lfloor -2.3 \rfloor =-3$
- Thu Jan 20, 2011 3:06 pm
- Forum: Higher Secondary Level
- Topic: probability
- Replies: 3
- Views: 7585
probability
Three distinct vertices are randomly chosen among the vertices of cube. The probability that they are the vertices of equilateral triangle is
- Thu Jan 20, 2011 11:16 am
- Forum: Algebra
- Topic: Trigonometric sum.
- Replies: 2
- Views: 2835
Re: Trigonometric sum.
Thanks moon.
- Wed Jan 19, 2011 4:15 pm
- Forum: Algebra
- Topic: Trigonometric sum.
- Replies: 2
- Views: 2835
Trigonometric sum.
Question..........
- Wed Jan 19, 2011 4:05 pm
- Forum: Algebra
- Topic: Find Sum of Roots
- Replies: 4
- Views: 3893
Re: Find Sum of Roots
Answer of the question...... :
- Wed Jan 19, 2011 2:43 pm
- Forum: Algebra
- Topic: hard Inequality.
- Replies: 0
- Views: 3732
hard Inequality.
If $a,b,c,d>0$ and $a+b+c+d=1$. Then prove that $\frac{3}{8}+32abcd \geq \frac{ab}{a+b}+\frac{bc}{b+c}+\frac{cd}{c+d}+\frac{da}{d+a}$