# Posts by preet0099 HELP ME !

Total # Posts: 2

**maths**

A Two digit number is such that the product of the digit is 18. When 63 subtracted from the number the digit interchange the place.Find the number.

*December 5, 2012*

**maths**

proof that the equation x^2(a^2+b^2)+2x(ac+bd)+(C^2+d^2)=0 has no real roots.

*December 5, 2012*

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