Visitors Online: 56 | Tuesday 24th October 2017
 CBSE Maths Subject Notes CBSE Guess > eBooks > Class X > Mathematics Definitions and Formula By Mr. Appala Raju Mathematics Definitions and Formula 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 Paper By : Mr.Appala Raju Email Id : raju_yzag@yahoo.co.in Ph No. : 0096566124759