18 Look at the pattern 2²= 12 + (1+2) = 432=2²+(2+3)=9 42 = 32+(3+4)= 16 Usually we are calculating the square of a number by multiplying a number with the same number. But here another method is applied to get the square of a number. Using this method fill in the blanks of the following. (d) (x+1)² = x² +.......... ​

Answers 1

Step-by-step explanation:

Using the another method the the square of (x+1) can be written as,

[tex] {(x + 1)}^{2} = (x ) ^{2} + (x + 1 + x )[/tex]

[tex] = { x}^{2} + 2x + 1[/tex]

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