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 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 sum of the zeroes = product of zeroes = Q.5. Q.6. Q. 7. Cross multiplication method: X y l
Q. 8. Nature of roots : a
Paper By : Mr.Appala Raju |
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r < b
+ bx + c is a polynomial a 
0 , 
= 
= 
are zeroes of polynomial : 
x+ 
= 
= 
- 4ac if D = 0 roots are real and equal 
where D = 
- 4ac