Introduction to algebra - Video Variables A variable is a symbol that represents a number. Usually we use letters such as n, t, or x for variables. For example, we might say that s stands for the side-length of a square. We now treat s as if it were a number we could use. The perimeter of the square is given by 4 × s. The [...]

program to find solution of homogeneous system of equation using power method #include<stdio.h> #include<math.h> #define MAX 20 void main() { float a[MAX][MAX],x[MAX],s[MAX],epsilon; float error,big_error,temp,lamda; int i,j,k,n; printf(“enter no of equations”); scanf(“%d”,&n); printf(“\n  enter cofficients equation wise \n”); for(i=1;i<=n;i++) { for(j=1;j<=n;j++) { scanf(“%f”, &a[i][j]); } } printf(“\n  enter required precision  “); scanf(“%f “,&epsilon) ; for(i=1;i<=n;i++) { [...]

CBSE Sample Question Paper with Answers Mathematics Part – B Class X – 2010-2011 Question 1. Is 7x5x3x2+3 a composite number? Justify you answer. Answer =          3K, Where k is prime number. Therefore this number is product of prime no. 2.  Can (x-2) be the remainder on division of polynomial P(x) by (2x+3)? justify your [...]

Trigonometric Ratios and identities ] Addition and Subtraction Formulae Formulae Involving Double Angle ] Sum or Difference Formulae ] ] ] ] If and , then ] ] ] ] Formulae Involving Triple Angle ] ] ] \[\cot A.\cot B\]

The Greatest Mathematcians Of All Time

CBSE Sample Question Paper with Answers Mathematics Part – C Class X – 2010-2011 Question 1. Show that any positive odd integer is of the form 4q+1 or 4q+3 where q is positive integer. Answer let a be a positive odd integer By Euclid’s division algorithm where q, r are positive and or or or [...]