Visitors Online: 1692 | Thursday 18th September 2014
REGISTRATION
Website Builder

CBSE Maths Subject Notes

CBSE Guess > eBooks > Class X > Mathematics Definitions and Formula By Mr. Appala Raju

Mathematics Definitions and Formula

Index Next

Q. 1. Euclids Division lemma : Given positive integers a and b there exist unique positive integers q and r satisfying a = bq + r , 0 r < b

Q.2. Fundamental theorem of arithmetic: Every composite no. can be expressed as a product of primes , and this factorization is unique apart from the order in which the prime factor occur.

Q. 3. H.C.F X L.C.M =Product of two numbers .

Q.4. a + bx + c is a polynomial a 0 ,

sum of the zeroes = =

product of zeroes = =

Q.5. are zeroes of polynomial : - ( x +

Q.6. x+

Q. 7. Cross multiplication method:

         X                             y                              l



= =

Q. 8. Nature of roots : a +bx +c =0
D = - 4ac if D = 0 roots are real and equal
If D > 0 roots are real and unequal
If D < 0 roots are imaginary
Quadratic formula where D = - 4ac

Index Next

Paper By : Mr.Appala Raju
Email Id : raju_yzag@yahoo.co.in
Ph No. : 0096566124759