What should be added to x^ 2 +y^ 2 to get x^ 2 +y^ 2 +2 x y ? - Vidyadip

MCQ

What should be added to $x^{2}+y^{2}$ to get $x^{2}+y^{2}+2 x y ?$

A
$xy$
✓
$2 x y$
C
$4 x y$
D
$-2 x y$

✓

Answer

Correct option: B.

$2 x y$

$x^{2}+y^{2}+2 x y-\left(x^{2}+y^{2}\right)=2 x y$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q. [1 Marks Each]" from Algebraic Expressions→Algebraic Expressions — all question types→MATHS STD 7 question papers→Gujarat Board STD 7 question papers→Gujarat Board question paper generator→

Similar questions

Find the value of the expression $a^{2}-2 a b+b^{2}$ for $a=1, b=1$

If a and b are positive integers, then the solution of the equation $ax = b$ will always be a.

A variable can take ............ numeric value:

Compare $\frac{19}{20} $ and $\frac{14}{20}$

If 6 bowls cost Rs. 90, then the cost of 10 such bowls is:

The smallest possible decimal fraction upto three decimal places is:

Mark against the correct answer in the following:
If $21$ cows eat as much as $15$ buffaloes, how many cows will eat as much as $35$ buffaloes?

While representing $\frac{2}{3}$ on a number line, between which $2$ integers does the point lie?

What is the coefficient of $y^2$ in the expression $2x^2y – 10xy^2 + 5y^2?$

Each diagonal of a square is 12 cm long. Its area is