Question : The algebraic expression $4x^2-y^2+6y-9$ is equal to______.
Option 1: $(2x + y - 3)(2x - y + 3)$
Option 2: $(2x - y - 3)(2x - y + 3)$
Option 3: $(2x + y - 3)^2$
Option 4: $(2x + y + 3)^2$
New: SSC CHSL tier 1 answer key 2024 out | SSC CHSL 2024 Notification PDF
Recommended: How to crack SSC CHSL | SSC CHSL exam guide
Don't Miss: Month-wise Current Affairs | Upcoming government exams
New: Unlock 10% OFF on PTE Academic. Use Code: 'C360SPL10'
Correct Answer: $(2x + y - 3)(2x - y + 3)$
Solution : $4x^2-y^2+6y-9$ $= 4x^2-(y^2-6y+9)$ $= (2x)^2-(y-3)^2$ $= (2x+y-3)(2x-y+3)$ Hence, the correct answer is $(2x+y-3)(2x-y+3)$.
Candidates can download this e-book to give a boost to thier preparation.
Result | Eligibility | Application | Admit Card | Answer Key | Preparation Tips | Cutoff
Question : Simplify the expression: $(2x+13-y)(2x-13-y)$
Question : If $4x^2+y^2 = 40$ and $xy=6$, then the value of $2x-y$ is:
Question : If $\sin^4x + \sin^2x = 1$, then what is the value of $\cot^4x+ \cot^2x$?
Question : If $2x-3(4-2x)<4x-5<4x+\frac{2x}{3}$, then $x$ can take which of the following values?
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile