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The subsequent topic that we require to take a look at is the determinant of a matrix. The determinant is in fact a function that gets a square matrix and converts this in a number. The real formula for the function is somewhat complicated and definitely beyond the scope of this review.
The particular method for computing determinants of any square matrix is termed as the method of cofactors. Because we are going to be dealing almost exclusively along with 2 x 2 matrices and the occasional 3 x 3 matrix we won't get in the method now. We can provide simple formulas for all of these cases. The ordinary notation for the determinant of the matrix A is,
det(A) = |A|
Now there are the formulas for the determinant of 2 x 2 and 3 x 3 matrices is,
in a given figure a,b,c and d are points on a circle such that ABC =40 and DAB= 60 find the measure of DBA
y=f(a^x) and f(sinx)=lnx find dy/dx? Solution) dy/dx exist only when 0 1 as the function y = f(a^x) itself does not exist.
10p=100
Explain the Dependent Events? Events are called dependent events when the outcome of one event influences the outcome of the second event. P(A and B) = P(A) P(B following A
3.20 euros per kilogram, 1 kilogram =2.2 pounds and current exchange rate is $1=0.9 euros. what is the price per pound?
Ratio - situations in which we need to compare two quantities in terms of their ratio. (e.g., if Munna weighs 40 Kg. and Munni weighs 50 Kg., find the ratio of their weights.)
What is the square root of -i and argument of -i Ans) argument of -i is 270 ad 1 is the square root of -i
Solve the Extraneous Solutions ? You're worst enemy (aside from arithmetic mistakes), while you're trying to solve a rational equation, is forgetting to check for extraneous so
Standardization of Variables - Before we use the general distribution curve to determine probabilities of the continuous variables, we require standardizing the original units
which ne is greater -4 4/25 or -4.12?
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