Find each product: a) (-7)(12) b) (-7)(-12) c) (-7)[(3)(4)] d) (-7)[(3)(-4)]

Q: Find (a) ∣AT∣, (b) ∣A2∣, (c) ∣AAT∣, (d) ∣2A∣, and (e) ∣A−1∣.

A:

Q: Find (a) ∣AT∣, (b) ∣A2∣, (c) ∣AAT∣, (d) ∣2A∣, and (e) ∣A−1∣.

A:

Q: {(a) = 3(a + 2)² – 10 9(b)- g5(-2))-

A:

Q: -32 B: +14+2*6-83-(-4) -|-2|³-1+5²

A:

Q: (3c)²(3c)³

A: To solve 3c23c3

Q: Is -7(4)+5(12/5)=-14 true?

A: Given:

Q: simplify: (n!)/(n+2)!

A: n! = n(n-1)(n-2)...... 4.3.2.1

Q: Evaluate: (Fn+2) + (F2n-3)2 - Fn3 when n = 9

A: First, let's talk about the Fibonacci sequence. This is a special sequence of numbers where each…

Q: Evaluate: 1 -2 3 1 -2 5 3 -2| -2 1 -2 + 5 3 : 1 3. 3 1 -2 = 1(3 – (-10)) - 3(-6 – 5) + 5(4 – 1)…

A: Given-  1-2131-2553 To find- The value of determinant.

Q: Determine L-1 (-1(1+81) S³ 1 (a) =—=t+2₁² (b)t+4t² (c) t+8t² 1 (c) t+8t²

A:

Q: Evaluate 4 [^3(3²) + 3(1²) dz =

A:

Q: 3(n+7) =  blank + 21

A: We have to solve

Q: Find (a) ∣AT∣, (b) ∣A2∣, (c) ∣AAT∣, (d) ∣2A∣, and (e) ∣A−1∣.

A: Given

Q: 8. Write each of these subtractions as an addition: (b) 8 - (-3) (d) (-8) – (-13) (a) 3 -8 (e) (-8)…

A: Write each of these substraction as an addition.  a) 2-8  b) 8-(-3)  c) -8-13  d)-8-(-13)

Q: Find (a) ∣A∣ and (b) ∣A−1∣.

A: a). Determinant of A is,

Q: 14(½)(3)(-2)=

A: Given expression :

Q: Find (a) ∣A∣ and (b) ∣A−1∣.

A: a).  Determinant of matrix A is

Q: (b) 6 + 7 + 8 + 9 + ... + k

A: (b) Given that 6+7+8+9+...+k The objective is to find the sum. The formula for sum of numbers are,…

Q: X=6{2+3[2(8-3)+(4+1)-2]}

A: Given,          x=62+328-3+4+1-2

Q: Find (a) ∣A∣ and (b) ∣A−1∣.

A: a). Determinant of matrix A is,