MCQ
The factorisation of $28a^3b^5 - 42a^5b^3$ is:
- ✓$14a^3b^3(2b^2 - 3a^2)$
- B$14a^2b^3(2b^2 - 3a^2)$
- C$14a^3b^2(2b^2 - 3a^2)$
- DNone of these.
✓
Answer
Correct option: A.
$14a^3b^3(2b^2 - 3a^2)$
A. $14a^3b^3(2b^2 - 3a^2)$
Solution:
$28a^3 b^5 - 42a^5b^3$
$ = 14a^2b^3(2b^2 - 3a^2)$
Solution:
$28a^3 b^5 - 42a^5b^3$
$ = 14a^2b^3(2b^2 - 3a^2)$
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
Tick $(\checkmark)$ the correct answer the following: The value of $\left(3^{-1}+4^{-1}\right)^{-1} \div 5^{-1}$ is :
→Obtain the factors of $x^2 + 6x + 8$
→A number which can be written in the form, $\frac{\text{p}}{\text{q}}$ where $p$ and $q$ are integers and _______ is called a rational number.
→A metal sheet $27\ cm$ long, $8\ cm$ broad and $1\ cm$ thick is melted into a cube. The side of the cube is:
→Below is the data of the number of men and women in a village for different years. Now based on this data answer the following $MCQ$s with the correct option.
When is the population of men, the minimum?
→When is the population of men, the minimum?
$(a-b)^{2}$ is equal to
→Look at the histogram below and find out many students have more than or equal height than $130\ cm$ but less than $145\ cm?$
→The expression $4xy + 7$ is in
→$0.645 \times 0.645+2 \times 0.645 \times 0.355+0.355 \times 0.355$ is
→The factorisation of $6x - 42$ is:
→