Question

Try to draw the geometrical figures for other identities. (i) (x + y)² = x² + 2xy + y2 (ii) (x + y)(x - y)= x² - y2 (ii) (x + a)(x+b)= x++(a+b)x+ ab (iv) (x + a)(x+b)(x + c)= x +(a+b+c) x² + (ab + bc + ca)x+ abc 3 nor​

Answer 1

Answer:

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Step-by-step explanation:

Step 1: Draw a line with a point which divides x,y

Step 2: Total distance of this line =x+y

Step 3: Now we have to find out the square of x+y i.e., Area of square = (x+y)2

Step 4: From the diagram, inside square red and yellow be written as x2,y2

Step 5: The remaining corner side will be calculated as rectangular side = length × breadth = x×y

Therefore, Area of the big square = Sum of the inside square +2 times the corner rectangular side

(x+y)2=x2+y2+2xy

Hence, geometrically we proved the identity (x+y)2=x2+y2+2xy.