Question
Find the product : $\left(y^2-1\right)\left(y^2+4\right)$
✓
Answer
$y^4+3 y^2-4$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
factorise: $7a^5 - 567a$
→The pair is equivalent set :
$C =\{x: x+2=2\}$ and $D =\phi$.
→$C =\{x: x+2=2\}$ and $D =\phi$.
An article is bought from Jaipur for Rs. $4,800$ and is sold in Delhi for $Rs. 5,820$. If $Rs.1,200$ is spent on its transportations, etc. ; find he loss or the gain as a percent.
→Find the selling price, if : $\text{C.P}. = Rs.576$; overheads $= Rs.44$ and loss$ = 16\%$
→Given $A = \{0, 1, 2, 4, 5\}, B = \{0, 2, 4, 6, 8\}$ and $C = \{0, 3, 6, 9\}$. Show that $A ∩ (B ∩ C) = (A ∩ B) ∩ C$ i.e. the intersection of sets is associative.
→$5 \times 555$ a multiple of $9$?
→Find the product :
$-9 \times \frac{7}{18}$
→$-9 \times \frac{7}{18}$
In an election, three candidates contested and secured $29200, 58800$ and $72000$ votes. Find the percentage of votes scored by winning candidate.
→Replace A, B, C, D by suitable numerals :
Evaluate :
$\left(\frac{x^a}{x^b}\right)^{\frac{1}{a b}} \times\left(\frac{x^b}{x^c}\right)^{\frac{1}{b c}} \times\left(\frac{x^c}{x^a}\right)^{\frac{1}{c a}}$
→$\left(\frac{x^a}{x^b}\right)^{\frac{1}{a b}} \times\left(\frac{x^b}{x^c}\right)^{\frac{1}{b c}} \times\left(\frac{x^c}{x^a}\right)^{\frac{1}{c a}}$