## PS-Algebra

PS Questions from Algebra

The two equations can be written as x^2 (6k+2) + rx + (3k-1) = 0 …… (i) & x^2(12k + 4) + px + (6k - 2) = 0 ….. (ii) Divide (ii) by 2 Thus, we get x^...

Tue, 12 Oct, 2021 at 1:03 PM

According to the table, Total RECORDING TIME = 4+2 (Tue+ Thur) = 6 hrs The time of viewing is 1+2=3 hrs and a 3+2=5 hrs and hence the time NOT invested i...

Tue, 12 Oct, 2021 at 1:03 PM

SOLUTION : A NEW OG 2021 QUESTION (m ⊕p)⊕q]⊕p =(n⊕ q]⊕p (Using, m ⊕ p=n) =q ⊕p (Using, n ⊕q=q) =r (Given, q ⊕p=r) (OPTION E)

Tue, 12 Oct, 2021 at 1:03 PM

SOLUTION: z+ (1−2z^2/z) = w/z => (z^2 + 1-2z^2 )/z = w/z Cancel out the "w" in the denominators, add the terms in the numerator of the LHS a...

Tue, 12 Oct, 2021 at 1:03 PM

SOLUTION: (a,b,c)Θ(d ,e, f)=ad+ be +cf In the expression (1,−2,3)Θ(1,−1/2,1/3) , a=1 d=1 b=-2 e=-1/2 c=3 f= 1/3 Using this operation, we have, ad+ be +c ...

Tue, 12 Oct, 2021 at 1:04 PM

CONCEPT: Functions and derivatives At the point maximum, f'(x)=0 SOLUTION: Given, the number of people per trip is x. The fare for each person =[(54−...

Tue, 12 Oct, 2021 at 1:04 PM

CONCEPTS: The question tests on the area of functions. SOLUTION: f(a+2) = (a+2)^2 + 3(a+2) -4 = a^2 +4 +4a + 3a +6 - 4 = a^2 +7a +6 (OPTION A) Alternative...

Tue, 12 Oct, 2021 at 1:04 PM

CONCEPT: The question tests on the basics of custom characters and functions; SOLUTION: b & c =(b^2)(c^2)−3 5 & X =(5^2)(X^2) - 3 =(5^2)(3^2) - ...

Tue, 12 Oct, 2021 at 1:04 PM

CONCEPT: The question tests on basic application techniques used algebra SOLUTION: Let Jane sell "a" cookies 96 cents/cookie. Thus total money ...

Tue, 12 Oct, 2021 at 1:05 PM

CONCEPT: The question is based on the concept of equations. SOLUTION: The two equations can be written as x^2 (6k+2) + rx + (3k-1) = 0 …… (i) & x^...

Tue, 12 Oct, 2021 at 1:05 PM