(B): If A = 2i + 3j - 4k; B = 3i - 4j + 5k and C = i + j - k, find: (ii)B.C (iii)A. (B+C)and (A+B).C (iv) (3A+ 4B). C (i)A.B

Q: (7a-2b)2

A:

Q: (3x+5y)2

A: ANSWER :

Q: (2.1) Perform the indicated operations: a) (6 m² – 3 m³) (2m + n) b) (5x + 7y) + ( -5x + 2y) c) (2x…

A:

Q: If x? + 6x – 59 = (x + A)² – B² , then the value of A is

A:

Q: Perform the following operations: 2. (2x4 - 5a3 + 3x2 – 5)/(x+ 2) 3. (4x - 2r3+ x² - 5x + 8)/(x² –…

A:

Q: 2y

A:

Q: R. (3x + 5) (91- 17)*

A: We know sum of opposite interior angles of parallelogram is equal to 180°

Q: Evaluate: /VF(x+1)dr

A: Given

Q: (12x²- 1! x²y-12 xy - 25y) (3x- 5y) 3.

A: To find the quotient when 12x3-11x2y-12xy-25y3 is divided by 3x-5y

Q: 2(3w+8)=40

A:

Q: Find (72* + 6æ°) dx + C

A:

Q: – 4(- 7x – 5y + 9z)

A:

Q: verify that 3(A + B) = 3A + 3B

A:

Q: (38r+ 61y) - (3r - 11y)

A:

Q: Add (4x² + xy² – 7y³), (-7x² + 3x²y² + 9y³), and (5x² + 12xy? – 8x?y? - 4y³)

A: Here we have to add the givne expressions,  4x2+xy2-7y3, -7x2+3x2y2+9y3, and 5x2+12xy2-8x2y2-4y3

Q: Determine the value of 7A+6B if 19x2 + 41x + 16 A (x+ 1)² Cx +B (x – 1)(x +1)2 Answer:

A:

Q: (3a)(b+c-2d)

A: (3a)(b+c-2d)

Q: 5. Subtract (5a – 2a) – (6a² – 2a) - I

A:

Q: Subtract: (x

A:

Q: Find (a) c21 and (b) c13, where C = 2A − 3B,

A: Given: A=544-312, B=12-70-51 we have to find c21,c13 where, C=2A-3B so, first we finding matrix C…

Q: の (3×4 2dx 2 +12x -15)2

A: we have to find the integral

Q: What

A:

Q: 8(7a+3)=304

A: