PCC | Mahmud | Statistics| statmania.info |
\(x^2+2x-3, x+3\)
\(y^2-y+1, 1+y+y^2\)
If \(A=x^2+xy+y^2\) and \(B=x-y\), \(AB=?\)
\(2x^2-7xy+6y^2\) by \(x-2y\)
Expand \(x^4-y^4\)
3x-2y+5z
If \(m^2-2m+1=0\), prove \(m^4+\frac 1 {m^4}=2\)
\((2a+1)^2-4a(2a+1)+4a^2\)
Solve directly or by assuming something
(10-xy)(10+xy)
\((a^4+3a^2x^2+9x^4)(9x^4-3a^2x^2+a^4)\)
\((x+a)(x-1)(x^2+1)\)
\(a^2+bc+ca+ab\)
\(a^2-(x+y)^2\)
\(y^2-6y-91\)
\(4x^2+12xy+9y^2-16a^2\)
\(15x^2-14x-8\)
\(2bd-a^2-c^2+b^2+d^2+2ac\)
The length of a rectangular garden is three times its breadth. The perimeter of the garden is 96 meter.
The breadth of a rectangular space is one-forth its length.
The summation of three consecutive numbers is 153.
The following are temperature of a certain location in November.
29, 34, 33, 35, 30, 28, 29, 33, 31, 34, 35, 33, 33, 31, 34, 33, 29, 34, 34, 34, 30, 35, 29, 32, 31, 30, 30, 35, 29, 28
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