Question
Fill in the blank.$(b^2 - a^2) - (a^2 - b^2)$ = _____.
✓
Answer
$(b^2 - a^2) - (a^2 - b^2) = 2b^2 - 2a^2$.
$(b^2 - a^2) - (a^2 - b^2)$
$\Rightarrow b^2 - a^2 - a^2 + b^2$
$\Rightarrow 2b^2 - 2a^2$
$(b^2 - a^2) - (a^2 - b^2)$
$\Rightarrow b^2 - a^2 - a^2 + b^2$
$\Rightarrow 2b^2 - 2a^2$
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
$\frac{4}{11} \times \frac{2}{7}$
→Fill in the blank:
If we join any two points of a circle by a line segment, we obtain a of a circle.
If we join any two points of a circle by a line segment, we obtain a of a circle.
Write of the following as decimals:
$\frac{8}{100}$
→$\frac{8}{100}$
On a squared paper, sketch the following:
A hexagon with exactly six lines of symmetry.
A hexagon with exactly six lines of symmetry.
Perform the following subtractions and check your results by performing corresponding addition:
200000 - 97531
200000 - 97531
Find the sum in the following:
$\underline{\ \ \ \ 312.8\\+ 290.02\\+ 128.457\ \ }$
→$\underline{\ \ \ \ 312.8\\+ 290.02\\+ 128.457\ \ }$
Write ‘T’ for true and ‘F’ for false in case of the following statements:
Two intersecting lines intersect at a point.
Two intersecting lines intersect at a point.
State the type of the following angles:
In fig. name the four diagonals of the cuboid.
In the pairs given below, find the larger integer.
-385, -615
-385, -615