4. If A = 1 1 1 234 and B 14 1 5 1 find (AB)-¹.

Q: Solve for x. x+1 x +4 6. 5.

A:

Q: |8 -5 1| 5. If 5 16 1 = 2, then what is value of x 1l 3 а. 6 b. 5 c. 8 d. 4

A: using the concept of determinant.

Q: 3x2 + 4x + 2 = 0 2. 9x2 + 12x + 4 = 0

A: Here we have to solve polynomials.

Q: If 2*+4 = 23-1 what is the value of æ? %3D

A: To solve this problem we use here the besic property of power and exponent.  ax=ay , Imply x=y

Q: 5. SIMPLIFY b. VE 5 3 а.

A:

Q: 2. у %3D 2 - 2х 4 2- -4 -2 2. 4 4.

A:

Q: A'

A:

Q: A. 5xy+y = 9 ty 4 -4 -2 2. -2 -4 4. 2.

A: Given function is 5xy+y=9

Q: 5. 3x + 4y = 12

A: A equation of a line with a and b as x and y intercepts respectively is given by,

Q: Solve for X. مل 3 5 1 -4 - -9 7 = -3X - 5 -6 1 2 -9 -4 8

A:

Q: 1|3 5 2|2 4 6 3|2 4 4|3 6 8 8 5|0 2 2 9 9 6|3 4 Min =  Q1 =  Med =  Q3 =  Max =

A: The given plot represents that stem and leaf diagram of the set of data.

Q: 13. BD BISECTS LABC, FIND MLABD D Ven 32°

A: We have to determine angle abd

Q: t = x -N 69.니7-70 28.26 30

A:

Q: What is AA-1, where (1 2) A = | 2 1 2 2 1

A:

Q: 5. -4x + 8y 16 41 SE7-6-5 -4 -3 -2 -1 2 3 4 6 기 -1 -3 -4 -6

A:

Q: 34. In a family, each boy has as many sisters as brothers, but each sister has only half as many…

A: Given in a family, each boy had as many sisters as brothers, but each sister has only half as many…

Q: 6 + 7/25. 7/25 =

A:

Q: If 8x - 2 = 4 - 8x then r =

A:

Q: 8. - 2 -3 -2 3 2 -1 - 2 -4 Given A= and D = 5 аnd B %3 аnd C - 8 3 4 - 7 4 4 8 2

A:

Q: X+ 12 x +5 R 11

A: We can find 'x' as below.

Q: B = 1 -2 -4 2 5. 14. If A = 3 and 1 -2 4 3 5 1 2 4 Find AB and BA. Show your solution.

A:

Q: 4. 4x' +5y = 445 5x² - 3y = 473

A:

Q: am = n + p , f

A: am=n+pTo solve for a

Q: 19. 19.) A = BCD for C

A: given data  A = BCD now this is the sequence  for that  we have to find  C = ? further calculation…

Q: (4L + 60)°/(L+ 20)° L=

A: To find the value of L

Q: Solve. x² +y° = 25 y² = 5-x Ay 6- 4- -> -6 -4 -2 6. -2- -6- 2.

A: The given system of equations is  x2+y2=25y2=5-x Solve the equations using the substitution method.

Q: dx 3V2-2 4V2-2 + 2 In 2 +2 In 2 3 4VZ+2 + 2 In 2 3 + 2 ln 2

A:

Q: %3D 4. r+ 11 + 8r = 29

A: Solve for the value of r

Q: 1 If A = and 1 1 B = 3 5 then AB = 6. 4- 2.

A: Given,A=1-121, andB=135246then find AB

Q: = 55. Determine the value of n if (5)

A:

Q: -1 1 0 0 1 2 3 and B = 0 2 A = -3 1 A + B

A:

Q: 3. Solve for x a. 82+3=16³1 b. 6*3=12 3¹+5-20¹-3x

A:

Q: B 11 с 137 X A

A: Given query is to find the value of x.

Q: 7. Solve for x. (2х + 5) B a. x= 90 b. х%3D 87.5 с. х 3 42.5 d. х- 27.5

A:

Q: x+6 = 12 %3D

A: 1. Given equation: x+6=12    x=12-6     =6

Q: Solve for x if [2 X 1²31= 13 -1 = 4

A:

Q: 2Σ2 Lk=1

A: We have to find sum

Q: Solve for r. 11x-8 10x

A: