squares and square roots mathematics

A square matrix A = [a i j ] is said to be symmetric if its (i,j) t h element is the same as its (j,i) t h element. i.e a i j = a j i " i, j A square matrix A is said to be symmetric, if A = A ..

Matrices and Determinants..

Let S n = 1+2+3+4+...+n This series is an A.P. Here a=1, d=1, l = t n = n 2. To find the sum to squares of first n natural numbers. or..

>If A, B and C are the matrices which can be multiplied then (a) Matrix multiplication is not commutative, i.e., AB BA (always) (b) Associative law holds good for matrix multiplication, i.e., (AB)C = A(BC) (c) Matrix multiplication is distributive with respect to addition A(B + C) = AB + AC or (A +..

Find the square root of 144. => 14 or 22 or 24 or 12..

Find the square root of 324. => 16 or 17 or 14 or 18..

Find the square root of 16. => 8 or 256 or 64 or 4..

The formula x = p + x - p 2 2 p + 1 is used to approximate the square root of a number x , where p is the square root of the nearest perfect square less than x . Use the equation to find 8 5 . => 18.211 or 10.211 or 7.211 or 9.211..

Find the square root of 100. => 9 or 8 or 7 or 10..

Find the positive square root of 4. => 4 or 3 or 1 or 2..