The correct option is A have identity: (x+a) (x+b) =x^2 +x(a+b)+ab Plug in a=2 abd b=3 (x+2) (x+3) =x^2 +x(2+3)+ 2 × 3 We should have proper terms in the fig ...

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Byju's Answer

Standard IX

Mathematics

Visualisation of (X+A)(X+B)

Visualize x+2...

Question

Visualize (x+2)(x+3).

\N

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Solution

The correct option is A \N
We have identity:

$(x + a) (x + b) = x^{2} + x (a + b) + a b$

Plug in a=2 abd b=3

$(x + 2) (x + 3) = x^{2} + x (2 + 3) + 2 \times 3$

We should have proper terms in the figure as on RHS- $x^{2}$ ,x(2+3)=x(5)=5x,ab=6

5x or 3x+2x( addition of both 3x and 2x )

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Which of the following shows the visualization of the subtraction of 3x from 9x?

Which of the following shows the visualization of the addition of 3x and 9?

(x + y)^{2}

can be visualized as

lim x \to \infty \frac{2 \sqrt{x} + 3 \sqrt[3]{x} + 4 \sqrt[4]{x} + . . . + n \sqrt[n]{x}}{\sqrt{(2 x - 3)} + \sqrt[3]{(2 x - 3)} + \sqrt[4]{(2 x - 3)} + . . . + \sqrt[n]{(2 x - 3)}}

is equal to

Visualize addition of 25 and 35.

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Visualize (x+2)(x+3).\N

The correct option is A \NWe have identity: (x+a)(x+b)=x2+x(a+b)+ab Plug in a=2 abd b=3 (x+2)(x+3)=x2+x(2+3)+2×3 We should have proper terms in the figure as on RHS- x2 ,x(2+3)=x(5)=5x,ab=6 5x or 3x+2x( addition of both 3x and 2x )

Visualize (x+2)(x+3).

\N

The correct option is A \N
We have identity:

$(x + a) (x + b) = x^{2} + x (a + b) + a b$

Plug in a=2 abd b=3

$(x + 2) (x + 3) = x^{2} + x (2 + 3) + 2 \times 3$

We should have proper terms in the figure as on RHS- $x^{2}$ ,x(2+3)=x(5)=5x,ab=6

5x or 3x+2x( addition of both 3x and 2x )