02. Find the positive and negative regions for y = x² -9x+20. A. Positive: (-,4), (5, +0) Negative:(4,5) B. Positive: (4,5) Negative: (-0o, 4), (5, +0) C. Positive: (4.5, +00) Negative: (-00, 4.5) D. Positive: (-0, 4.5) Negative: (4.5, +0) E. not given

Q: .3 5x²+6 Jx P = (xーア (ス+1) 52+7ス+8 Jx T = J (x+2) (x²+25)

A:

Q: 1. xd(1-x)³x² ] -2-

A: Given ∫01x2(1-x)3dx

Q: (7a - 5b + 2c)- (-6a+8b - 4c) (7a - 5b + 2c) - (-6a+ 8b – 4c) =

A:

Q: 2. (3x+5)+(2x – 3)

A:

Q: (q/q-3) + 1 = (2/2q+1)

A: To solve for q, firstly, we take l.c.m on left hand side of equation.

Q: 9) Solve for x: 2(3x-4)= 5x-(4x-7) a. 5 10) Solve for x: b. 3 2x *-1=²* +4 c. -3 d. 10 e. -5

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

Q: [-3i-2j]-[-2i-5j]= ◆ 2 + j

A: We have to find the subtraction between the given vector functions. We have, -3i→-2j→--2i→-5j→

Q: f A = (1 2)           (-4 5)   and B (-3   1)            (0  -2) calculate ATB

A:

Q: Differentiate y = (9x - 1)³. y = 8/9x - 9+

A:

Q: (24+2x-x2)1/2dx

A: