A QR-decomposition of 4 is given. Use it to find the least squares solution of Ax = b. 4 - [3 ]]- √74 √74 -√74 √74 0 --0

Q: S- 3 x-9

A: Use the substitution method and simplify than integrate.

Q: 1+1(9)-20

A: The given expression is 1+1(9)-20 When we multiply any number by 1 the result is 1. So when we…

Q: 12-10-1+4

A: Given:

Q: x2 + 5 xp 3- x2 + x + 3 X1

A:

Q: メ+! 2X +2

A: we have to evaluate I=∫x+12x+2dx

Q: 4 2 1 (1) 2x -3 9

A:

Q: 8-9+(2+2)-(9+6)

A: Given query is to simplify the expression.

Q: 3(n-2)=36

A: Simplification

Q: 2x2 4x • 4

A: Given expression :

Q: 5+2x-x-4+8x

A: To simplify the provided algebraic expression which is provided as 5+2x-x-4+8x. Now, first group the…

Q: 3-4+8

A: 3-4+8 =-1+8 =8-1 7

Q: 8+9-10

A: Given that                                            8+9-10 here we will use BODMAS B= Bracket  O=…

Q: 5-3x

A: Consider the given expression.

Q: 7 4 2x - 5 x+5

A:

Q: 10h+6-5h+3

A:

Q: FIND S + 4 (s² – 8S + 6) -

A:

Q: 23-8K

A:

Q: 4X2 - 25

A: We have to use a^2-b^2=(a+b)(a-b) formula to factor it.

Q: 5 3 + s2-8 s2+ 3.

A:

Q: 6+5x(8/2)2

A:

Q: 7-6+5

A: To evaluate the expression.7-6+5

Q: w + (-7), when w = - 1

A: The expression is given by w+(-7) To evaluate: The value of the expression when w=-1.

Q: 2k-4k2

A: Given that

Q: 13-2+3

A: this is a simple calculation question we will simplify this by normal calculation.

Q: 8 + 4(8 - 2)2

A: Given information:The given expression is 8 + 4(8 - 2)2.

Q: 4x2 5x2

A:

Q: 4a - 3(-7 - 10b) - 10ab Simplified

A:

Q: -5+2(8-12)

A: Use PEMDAS rule to simplify.First we work with the parenthesis. In it 8-12=-4

Q: 16 !3! X-8 X+ 8

A:

Q: 2(3y-2) 20

A:

Q: 1 0 4+9x2

A: we have to evaluate definite  integral as given

Q: 6a + 24 3a-24 2 으 - a -16 a ²-2a-48

A:

Q: 2 _ 5 4 3 12 a 4)

A: Simplifying the given equation, we get, a/4  -  8/3  =  5/12

Q: 5n2

A:

Q: 5+6x7

A: To find :- 5+6*7