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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,
2(sin 6 ?+cos 6 ?) - 3(sin 4 ?+cos 4 ?)+1 = 0 Ans: (Sin 2 ?)3 + (Cos 2 ?)3-3 (Sin 4 ?+(Cos 4 ?)+1=0 Consider (Sin 2 ?)3 +(Cos 2 ?)3 ⇒(Sin 2 ?+Cos 2 ?)3-3 Sin 2 ?Co
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Inverse Cosine : Now see at inverse cosine. Following is the definition for the inverse cosine. y = cos -1 x ⇔ cos y = x for
how many words can be formed from letters of word daughter such that each word contain 2vowles and 3consonant
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Find the equation of the plane through (2, 1, 0) and parallel to x + 4y 3z = 1.
Mark intends to tile a kitchen floor, which is 9 by 11 ft. How many 6-inch tiles are required to tile the floor? a. 60 b. 99 c. 396 c. Since the tiles are calculated in
THE % PARTICIPATION Feature in a major medical expense policy is 75% with a $100 deductible. how much of a $2,000 bill is the insured responsible for paying?
1. A direction ?eld for a differential equation is shown. Draw, with a ruler, the graphs of the Euler approximations to the solution curve that passes through the origin. Use step
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